Brown ring test for nitrate ion in laboratory by Seema Makhijani.

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  • Опубліковано 29 лис 2017
  • ANION Analysis Step Wise Procedure.
    • NEET / JEE mains 2024....
    Link for the flpow chart sheet
    acrobat.adobe.com/link/track?...

КОМЕНТАРІ • 1,1 тис.

  • @govindmenon1859
    @govindmenon1859 5 років тому +1843

    She looks like she’s being held at gunpoint

  • @artchannel4540
    @artchannel4540 3 роки тому +451

    One of the most difficult ones. Even teachers sometimes fail to perform perfectly.

    • @kuntalchatterjee1938
      @kuntalchatterjee1938 2 роки тому +9

      because of the hot condition of the solution

    • @thebarbarik3118
      @thebarbarik3118 2 роки тому +18

      Time for ur college to take new teachers

    • @prachikamahakur991
      @prachikamahakur991 Рік тому +2

      No it's not difficult....I even don't wear gloves and do this...and not I hve done this lot of times and everytime I got the result

    • @nihaal7750
      @nihaal7750 Рік тому +1

      @@prachikamahakur991 is it a problem if u accidently breathe it

    • @prachikamahakur991
      @prachikamahakur991 Рік тому

      @@nihaal7750 yaa but who is gonna breathe

  • @mayank_somethin
    @mayank_somethin 4 роки тому +479

    0:57 I skipped a heartbeat there

  • @taekook-ul7bg
    @taekook-ul7bg 4 роки тому +610

    In my skool we arent allowed to use a test tube holder while adding in conc H2SO4 also we pour it in without a freaking dropper! Im glad I still have my hands😂and they also dont provide gloves....

  • @your_dad_18
    @your_dad_18 4 роки тому +546

    Girl : No holder while pouring concentrated acid
    H²SO⁴: Am I a joke to you

    • @priyahp5592
      @priyahp5592 4 роки тому +12

      Exactly

    • @taekook-ul7bg
      @taekook-ul7bg 4 роки тому +14

      In my school we aren't allowed to use a test tube holder to pour in conc H2SO4

    • @Onepiecetardd
      @Onepiecetardd 4 роки тому +12

      Neither we do in our school labs..Though its foolish because one of my seniors got his hand bruised because of the same

    • @gmroopavathy870
      @gmroopavathy870 4 роки тому +6

      Lol it's just hot and burns a little
      I had come in contact with it quite a few times

    • @dheairyodie8938
      @dheairyodie8938 4 роки тому +2

      @@gmroopavathy870 correct it is not that concentrate. It just create some fumes we will feel little hot.

  • @Bhakta-zy1be
    @Bhakta-zy1be 4 роки тому +170

    While adding concentrated acids always a holder should be used. In practicals this carries marks. 🙂

    • @_priya336
      @_priya336 2 роки тому +16

      They should also use gloves for the protection of their hands

    • @Hgggghhhfria1593
      @Hgggghhhfria1593 2 роки тому +31

      Also pray before practicals 🙃 they forgot 😂😂

    • @sh0gun570
      @sh0gun570 Рік тому +2

      thanks for this i have practicals today

  • @aesthete8726
    @aesthete8726 3 роки тому +76

    she did a really good job..and the instructions were clear
    thank u

  • @samanvayahuja2285
    @samanvayahuja2285 Рік тому +94

    During my practical it took most of my peers atleast 2-3 attempts to perform this successfully, however I am glad it I saw this video just 1 day prior to my practical and was able to perform it successfully at the very first attempt only. Really helpful.
    Thanks.

  • @merxy1665
    @merxy1665 4 роки тому +163

    Narrator is really a legend of chemistry as well as english

  • @aveepsadas4447
    @aveepsadas4447 5 років тому +474

    For any experiment in the chemistry lab, you must always use distilled water. The water from the basin faucet may contain impurities

    • @blackburn3r
      @blackburn3r 4 роки тому +39

      Nee vechittindada distilled water

    • @vishnu-wg9ug
      @vishnu-wg9ug 4 роки тому +14

      @@blackburn3r wow malayali

    • @shafanz4268
      @shafanz4268 4 роки тому +9

      BLACKBURNER 🤣🤣naan chodhikaan povukayaayrnnu ...to her

    • @avanthika7851
      @avanthika7851 3 роки тому +4

      @@blackburn3r da alla di
      Malayali😎

    • @ridernaveen0428
      @ridernaveen0428 3 роки тому +2

      Useful information..👌

  • @LiborTinka
    @LiborTinka 4 роки тому +98

    ...then imagine an entire school building in USA was evacuated because someone broke a tiny mercury thermometer.

    • @xixi1x34
      @xixi1x34 Рік тому +3

      Uhhh didn't understood what you said? Like you are joking right?

  • @priyabhardhi545
    @priyabhardhi545 4 роки тому +395

    Who all r watching this in 2020 ...near to ur annual practical

  • @Arya-cs7kj
    @Arya-cs7kj 2 роки тому +14

    Damn! This is like master class on the brown ring test. 😅 I was specially surprised at the end when she told that the ring is formed below the test tube b'coz of the less acid content. Excellently articulated!

  • @utkarshsharma2795
    @utkarshsharma2795 3 роки тому +69

    Ma'am your voice is very energetic which inspires a person to keep attention. I wish every school had teachers like you. Thanks ma'am.

  • @zerefken1254
    @zerefken1254 4 роки тому +126

    That girl probably thinking what the hell my teacher will do after finishing video.
    Teacher after practical : ready with pipette to punish.

  • @sudharsansridhar4173
    @sudharsansridhar4173 9 місяців тому +7

    0:56 that moment in chem lab

  • @DeepSingh-ww1hv
    @DeepSingh-ww1hv 3 роки тому +78

    The faculty is just amazing🔥..... students are really lucky who are under her guidance ❤️

    • @PHANTOM-vd2sn
      @PHANTOM-vd2sn 2 роки тому +2

      Only her, other one is..... 😀

  • @sushantdubey6296
    @sushantdubey6296 2 роки тому +112

    This teacher looks really really experienced in chemistry 🥰🤩🤩🤩 i love this channel!!!

  • @ashishdash2010
    @ashishdash2010 5 років тому +323

    The girl is kinda nervous i guess

  • @ayu3536
    @ayu3536 3 роки тому +132

    Meanwhile
    Conc.H2SO4 : am I a joke 😂😂

  • @NEETASPIRANT-kd2kp
    @NEETASPIRANT-kd2kp 3 роки тому +90

    0:57 I got a mini Heart attack 😂😀

  • @TechieIndia
    @TechieIndia 6 років тому +71

    Mam your videos are amazing man can you please make a video on the complete salt test as well as their confirmation. Mam please make a video on the above topic.

  • @roshnirs1378
    @roshnirs1378 3 роки тому +371

    First time I thought that is this my school? ...like its the same lab in my school too 😅

    • @seemamakhijani721
      @seemamakhijani721  3 роки тому +66

      Bless u
      Do share in YOUR CLASS GROUPS

    • @babuldebnath4832
      @babuldebnath4832 3 роки тому +11

      Same uniform??

    • @aryankulat4886
      @aryankulat4886 3 роки тому +9

      #MeToo

    • @anilsharma-ev2my
      @anilsharma-ev2my 3 роки тому +8

      @@seemamakhijani721 real imaginary and actually main kya differences hai ???
      Aap ek thought experiment group banao merey saath and real universe ko dekho
      Jismay all forms of force become unity of trinity
      Gravity magnetic electric
      Brahama Vishnu mashes
      Cubic square liners
      Ultimately upto ultimate
      ⏳📡🔔❓🕉🛐🔱🔗🎆🎇➡↙↔↗↩⬇⬅⤵ℹ↪👽

    • @KR-vs6sm
      @KR-vs6sm 3 роки тому +2

      @@aryankulat4886 ua-cam.com/video/NL2NZvUh6Hg/v-deo.html this will help you

  • @chemistryvoice981
    @chemistryvoice981 5 років тому +33

    Many...It's a very good idea to involve the children than doing by ourselves. It will motivate the entire class. Good job. All the best.

  • @sohangpal291
    @sohangpal291 3 роки тому +31

    Mam, a huge respect from me....thank you for clearing all our doubts🙂🙂🙂

  • @aayushisanadhya2536
    @aayushisanadhya2536 Рік тому +6

    The textbook said that the brown NO2 gas comes just by adding the concentrated H2SO4, thank you for showing the step with the paper!

  • @rsvlogofficial5889
    @rsvlogofficial5889 6 років тому +6

    Thank you Ma'am
    Your video helped me alot in chemistry practical to confirm the presence of nitrate thank you so much

  • @foodlover9090
    @foodlover9090 5 років тому +237

    While adding concentrated acid ,we should use test tube holder know

  • @Nihala123-i9y
    @Nihala123-i9y 6 місяців тому +55

    Any 2024 buddies 😊

  • @ajaysaxena939
    @ajaysaxena939 5 років тому +5

    My salt analysis practical went well n good ...thanks to u mam 🙏

  • @mouligiri7519
    @mouligiri7519 Рік тому

    I feel so grateful to have discovered your channel.

  • @nishitharuth5745
    @nishitharuth5745 6 місяців тому +3

    2024 and still this is helpful..thank u so much ma'am

  • @sandeepkumarpandey6847
    @sandeepkumarpandey6847 5 років тому +4

    Nice! Very well explained and performed!

  • @alqamaobaid6358
    @alqamaobaid6358 3 роки тому +18

    ( Fe(H2O)5NO)SO4- Brown Ring complex in which iron and NO has +1 oxidation state.😊

  • @gurbachensingh5158
    @gurbachensingh5158 2 роки тому +1

    OMG what a explanation
    after watching this video I never forget brown ring test thank u so Much Mam for this wonderful video

  • @navneet623
    @navneet623 4 місяці тому +10

    Anyone watching today?

  • @rajeshsoni4382
    @rajeshsoni4382 5 років тому +5

    I think she might be nervous but you both do very well very nice I understand how to analyze nitrate

  • @yaseen1019
    @yaseen1019 4 роки тому +13

    Tqsm ma'am it helped me a lot to clear my final practical exam

  • @tejashrikarandikar509
    @tejashrikarandikar509 2 роки тому

    Outstanding way to express the experiment ,,,great ,👌

  • @kuntalchatterjee1938
    @kuntalchatterjee1938 2 роки тому +2

    your labs are so clean and organized

  • @nilimaparamanik4181
    @nilimaparamanik4181 4 роки тому +3

    Thank u man...... u explained really well....

  • @varietyfeeds8109
    @varietyfeeds8109 4 роки тому +3

    Thank you madam, I understood 🥺💯

  • @abhiramabhiramabhi5228
    @abhiramabhiramabhi5228 5 років тому +2

    it's very much helpful. thank you.

  • @jahanvirai4621
    @jahanvirai4621 3 роки тому

    Thank you so much ma'am. I really needed this.

  • @drupath3909
    @drupath3909 5 років тому +40

    Tomorrow is my parctical exam tnx a lot 😘

  • @devchauhan1627
    @devchauhan1627 2 роки тому +8

    After 2 hours my practical will done and now I am studying but I know I have done all because mam is teaching very clearly 🙂🙂❤️❤️

  • @roshnigeorge1339
    @roshnigeorge1339 Рік тому +2

    Thank you so much mam 💟 Bcz of you I did my chem practical very well today 💞

  • @Rose-3199
    @Rose-3199 5 років тому +1

    Very well explained 👍Thank you mam

  • @alijabordoloi5930
    @alijabordoloi5930 3 роки тому +8

    Its important to hold the test tube when it is producing the ring

  • @shreyashagrawal9452
    @shreyashagrawal9452 2 роки тому +3

    Quite informative, thank you

  • @mariamabarrie5147
    @mariamabarrie5147 3 роки тому +1

    Thanks very much ma I really enjoyed the lesson ❤

  • @vaibhavdasgupta638
    @vaibhavdasgupta638 5 років тому +1

    Thanks a lot ma'am . It did help 🙏🙏🙏

  • @kruthikalokesh4435
    @kruthikalokesh4435 5 років тому +10

    so easily and well explained thank you mam

  • @itsaclickbait4592
    @itsaclickbait4592 4 роки тому +60

    O.S. stands for original solution for those who didn't got..

  • @anilkumarsharma1205
    @anilkumarsharma1205 4 роки тому +2

    how we related colour with energy and elements so we know which wave length for particular energy state's and oxidation state of elements

  • @sivanandam6606
    @sivanandam6606 5 років тому +1

    Wow... nice and clear explanation super....

  • @kakoliacharya2648
    @kakoliacharya2648 6 років тому +5

    mam can you please make a video for identifying cations and anions from a given unknown sample

  • @sney6418
    @sney6418 4 роки тому +13

    Don't use tap water
    And pls take care first add water then the salt

  • @vinodgupta-pz2uj
    @vinodgupta-pz2uj 5 років тому

    Thank ma'am it very helpful for me for tomorrow partical

  • @lashitoshohe2495
    @lashitoshohe2495 4 роки тому

    Oh my God, thank you so much

  • @rockinglife244
    @rockinglife244 5 років тому +4

    while adding concentrated u must use holder

  • @himanshuramanuj3414
    @himanshuramanuj3414 4 роки тому +8

    Brown gas is also observed when bromide is present

  • @hamnamirza8426
    @hamnamirza8426 5 місяців тому

    I love how clearly and beautifully the teacher speaks, we all need teachers like you ma’am🫶🏻

  • @armaansoni2073
    @armaansoni2073 4 роки тому

    Ma'am ur videos r very helpful thank u so muchhh

  • @rajis9770
    @rajis9770 4 роки тому +55

    Use gloves and test tube holder . Safety is important

    • @strifinity5449
      @strifinity5449 4 роки тому +3

      Don't use gloves while handling conc.H2SO4

    • @taekook-ul7bg
      @taekook-ul7bg 4 роки тому +1

      In my skool we arent allowed to use a test tube holder while adding in conc H2SO4 also we pour it in without a freaking dropper! Im glad I still have my hands😂and they also dont provide gloves....

    • @gmroopavathy870
      @gmroopavathy870 4 роки тому

      Lol she is using a bloody dropper what more of safety do you require

  • @chaitanyakilari4695
    @chaitanyakilari4695 3 роки тому +4

    1:07 what the girl behind searching for😂

  • @SHUBHAMSHARMA-lx7pq
    @SHUBHAMSHARMA-lx7pq 2 роки тому +1

    I love your teaching style

  • @charanannemalla
    @charanannemalla 5 років тому +1

    Thanks for your experiment

  • @ayeshach4693
    @ayeshach4693 4 роки тому +4

    I m also a chemist i have performed this experimen😍

  • @Sarthak-oc4hj
    @Sarthak-oc4hj 4 роки тому +109

    Tomorrow Is The Endgame 😂

    • @doomzday66
      @doomzday66 4 роки тому +3

      Mine is on Monday
      How was urs

    • @Sarthak-oc4hj
      @Sarthak-oc4hj 4 роки тому +9

      @@doomzday66 Too Good..My Salt Was Ammonium Sulphate
      I answered all questions of Viva and The Examiner was also very good.
      All The Best

    • @hwiatslgeord2887
      @hwiatslgeord2887 4 роки тому +1

      @@Sarthak-oc4hj fuckin normie

    • @thor-jz5mw
      @thor-jz5mw 4 роки тому

      @@Sarthak-oc4hj what

    • @sumakala9413
      @sumakala9413 4 роки тому

      Mine on Tuesday 😢

  • @amangour4508
    @amangour4508 3 роки тому

    nice nice nice
    great demonstration ... Thank you Mam

  • @Mahler549
    @Mahler549 4 місяці тому +1

    Beautifully and very skillfully performed. It is really a hard test, especially to get a perfect ring....

  • @KiranmalaKalyansundaram
    @KiranmalaKalyansundaram 6 років тому +10

    Don't we need to use fume hoods for concentrated acids?

  • @deependrakumarsaxena3167
    @deependrakumarsaxena3167 4 роки тому +3

    Wow superb ❤ very easy to understand....
    Thank you ma'am

  • @pawanramnani8300
    @pawanramnani8300 2 роки тому +2

    Best channel for chemistry practical

  • @seenauthaman3323
    @seenauthaman3323 5 років тому +1

    Thnkzz Mam uu do a grt job...

  • @paromitanag4324
    @paromitanag4324 3 роки тому +18

    Normal sc. students :may be afraid of messing up in lab
    And then there's 2020 science batch:
    Giving online viva without ever performing practical

  • @vijaysir2269
    @vijaysir2269 6 років тому +4

    very nice presentation

  • @superhit4298
    @superhit4298 4 роки тому +1

    Very nice it is very useful for my chemisty practical

  • @vipintj8659
    @vipintj8659 5 років тому +2

    Really helpful thank you ma'am

  • @skadoosh7398
    @skadoosh7398 5 років тому +6

    In my college, they use copper turnings instead of paper for detecting the presence of nitrate radical

    • @seemamakhijani721
      @seemamakhijani721  5 років тому +2

      u need a reducing agent which can be carbon from the paper or copper turnings

    • @zakiya2073
      @zakiya2073 5 років тому +3

      Even in my school they use copper turnings

  • @imnotsure4864
    @imnotsure4864 4 роки тому +22

    i wish i had this teacher as my teacher, but not gunna lie im gonna be hella freaking nervous man

  • @its.ayush_001
    @its.ayush_001 11 місяців тому

    Thank you so much ma'am for such a good explaination. I really love this channel

  • @arunpawar8660
    @arunpawar8660 3 роки тому +2

    The students should use test tube holder, overall all the experiment performed was well it really help us.

  • @alishaahmad4635
    @alishaahmad4635 4 роки тому +3

    Thank you so much mam🙂🙂🙂

  • @anandgaja6089
    @anandgaja6089 5 років тому +3

    hai madam i want phosphate confirmatory test. specialy yellow ring test

  • @mohsenakhalil4456
    @mohsenakhalil4456 3 роки тому +2

    thankyou so much for an amazing explanation ✨

  • @JagdishKumar-ie3xs
    @JagdishKumar-ie3xs 2 роки тому

    Corona ka baad pahali baar lab dekhi thanks 🫂🫂🫂😊 mam

  • @juzeralirangwala3539
    @juzeralirangwala3539 4 роки тому +4

    Good explanation.....but small piece of advice.....never use Tap water to make O.S especially in case of nitrates because all of nitrates are highly water soluble so it is quite obvious to have some nitrate impurity in tap water.....instead prefer distill water for preparing O.S because they provide more reliable results......

    • @jericho7251
      @jericho7251 2 роки тому

      What is os?

    • @juzeralirangwala3539
      @juzeralirangwala3539 2 роки тому

      @@jericho7251 Original Solution in terms of qualitative analysis O.S means solution of original salt or mixture in aqueos or acidic solvents........ while detecting metal ions which are insoluble in water O.S is made in dilute acids for example salts of carbonates are usually dissolved in dil HCL instead of water

  • @nikitasharma9412
    @nikitasharma9412 4 роки тому +4

    Such an amazing teacher u are mam
    Respect u
    🙏🏻🧒🙏🏻🧒🙏🏻🧒🙏🏻🙏🏻🙏🏻🙏🏻🧒🧒

    • @seemamakhijani721
      @seemamakhijani721  4 роки тому +4

      Thanks bless u loads
      Please share with other students group and promote my channel

    • @nikitasharma9412
      @nikitasharma9412 4 роки тому +2

      @@seemamakhijani721 wlcm mam
      Already I have shared your videos.

    • @nikitasharma9412
      @nikitasharma9412 4 роки тому +1

      Mam please always reply my comments so that if I faced any further problem I want u be my guidance.
      🙏🏻😌🙏🏻😌🙏🏻😌🙏🏻😌🙏🏻😌🙏🏻😌🙏🏻
      It's my tenth ( board's) and I'm truly very worried.

  • @homemadebysusmita2953
    @homemadebysusmita2953 Рік тому

    Ma'am very very Helpful And Examinar Was very impressed with me .....Thank you so much ma'am

  • @pankajavalligv1740
    @pankajavalligv1740 5 років тому

    AWESOME EXPLANATION THANK YOU SOOO MUCH

  • @mritunjay2624
    @mritunjay2624 4 роки тому +11

    Brown ring test starts at 3:35

  • @saifullahbrohi9837
    @saifullahbrohi9837 4 роки тому +10

    I am also chemistry teacher mam, very well explained

  • @sunnyramchandani
    @sunnyramchandani 5 років тому +1

    Hi, please can you help me How to check Zinc content in Zinc Monohydrate, Zinc ash and Brass ash?

  • @devangacharya5832
    @devangacharya5832 5 років тому +2

    The video is very helpful mam! Explanation is also very nice tysm mam. Just one thing mam use a camera of higher resolution for more clarity 😊😊

  • @raghav5095
    @raghav5095 3 роки тому +3

    3:29 add little water to it ,u would get greenish blue solution, which confirms nitrate ion.

  • @narsimharao7367
    @narsimharao7367 4 роки тому +8

    I think I rarely(may be once) entered and done an experiment in a lab.I have completed my school life too😭😭😢😢.COZ I AM FROM SRI CHAITANYA SCHOOL😂

  • @ronweasley54
    @ronweasley54 3 роки тому

    very useful thank you very much!

  • @asokans5853
    @asokans5853 5 років тому +1

    Mam did we need to add water into the testube while confirmation, is it necessary