JEE MAINS ALL PREVIOUS YEAR QUESTIONS : THERMODYNAMICS THERMOCHEMISTRY (FROM 2018 TO 2024)

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  • Опубліковано 29 гру 2024

КОМЕНТАРІ • 279

  • @vedsharma-pl5fm
    @vedsharma-pl5fm 3 місяці тому +36

    thank you sir this content is must required for 99%ile

  • @samrudhav2
    @samrudhav2 Місяць тому +7

    2:35
    25:28
    28:30
    29:49
    31:43 F
    41:50 abt BE rip
    44:39
    57:44 new method
    1:00:00 *e
    1:07:00 *e
    1:11:58 heat evolved,so sign?doubt
    1:18:10 new concept
    1:32:54 new concept,at b slope zero ie back and front G is same ie deltaG is zero
    1:35:30 *doubt*
    1:42:50 *e
    1:50:05 new working method
    2:00:28
    2:07:39
    2:18:40
    2:24:09
    2:26:11
    2:30:50 2:47:40 should revise eqlbm
    2:39:30
    2:45:30 new way of asking
    3:01:30 dont forget abt unit🚫
    3:08:00
    3:15:10, 3:18:40 refer both
    3:33:53 new concept(avg BE)
    done till 4:09:35 2020 pyqs,rest do 4 revision 😬😮‍💨💪
    Total pyq's till 2020=around 110++

  • @niteshbinyala4867
    @niteshbinyala4867 Місяць тому +31

    1:09:04 please check calculation , i think the correct answer is 400

    • @sangitakanta-gj3rx
      @sangitakanta-gj3rx Місяць тому +1

      Yes

    • @Anu-o7q
      @Anu-o7q Місяць тому +1

      Yup

    • @hindutav21
      @hindutav21 Місяць тому

      Mai bhi yehi confuss tha

    • @LoveleenSaini-pi6hz
      @LoveleenSaini-pi6hz Місяць тому +3

      @niteshbinyala ques mein delta H formation diya hai ... formation 1 mole ka hota hai but reaction mein 2 AB form ho rhe hai ...means 200 ka half 100 hoga delta H formation...frr ans 400 aega otherwise 200 lekr 800 aega ...

    • @Itachikai00
      @Itachikai00 19 днів тому +1

      👍​@@LoveleenSaini-pi6hz

  • @anish.ee0
    @anish.ee0 Місяць тому +9

    For revision
    11:34 ( DeltaH = DeltaU - DeltaNGRT)
    14:10 ( Work done)
    23:11 ( Adiabatic irreversible)
    27:00 ( enthalpy of combustion)
    31:30 ( enthalpy of neutralization)
    35:45 ( revise)
    39:10 ( Irreversible Isothermal)
    41:15 ( Bund Energy/Enthalpy)
    50:20 ( Delta G / K equilibrium)

  • @imaginaryworld946
    @imaginaryworld946 Місяць тому +2

    10:56 ,23:14,1:09:10,1:17:53,1:23:37 ,1:26:22 ,2:10:36 ,2:13:36 ,2:21:28,2:28:28 ,2:34:19 (🌟),3:10:35,3:17:30,3:27:16(born hyb),3:27:16 , after 1st attempt:4:16:44

  • @Anurag-cy9xd
    @Anurag-cy9xd Місяць тому +4

    3:08:46 8mportant unit conversion2
    3:01:57 chupakar diya hei const pressure isliye heat capacity vi Cp use hogi:10:37 important question1:51:33 anoth1:25:42 bomb calorimeter 57:09 must check unit conversions
    26:03 manipulative skills
    34:43 good question on theory
    1:01:04 good question of inter relation
    1:05:35 another illustration on unit conversions
    1:08:21 good question
    1:14:34 must chekck this theory question
    1:18:02 unique questions
    1:34:11 good theory base graph analysis question
    1:20:11 great analysis 1:22:45 endothermic ren
    1:36:14 heat of combustion is per mole 1:49:39 must check this question 1:57:52 2:13:13 important concept of heat capacity of bomb calorimeter 2:20:55 Important question 2:23:50 important theory question 2:25:06 important theory question 2:30:20 on 2:30:20 unique question 2:35:56 gret point to be noted 2:52:59 2:56:45 important theory question

  • @calculusphile
    @calculusphile 3 місяці тому +36

    Sir please rukiyega nahi….bhale hi views kam aa rahe hain lekin jitane bhi aa rahe hain woh saare log aapke hi serious students hain sir….please aapse yehi anurodh hain meri🙏🏻🙏🏻

  • @yuvrajjawle2247
    @yuvrajjawle2247 3 місяці тому +50

    Sir pls thoda jaldi upload kijiye because agar ek month ke approx 4 chapters complete kiye tabhi bhi kuch chapters reh jayenge

    • @Harsh-hr1yq
      @Harsh-hr1yq 3 місяці тому +6

      @@yuvrajjawle2247 already sir ne saare chapters karwa rakhe hai last year

    • @lalitjoshi7187
      @lalitjoshi7187 3 місяці тому +3

      Bhai tujhe itni hi Jaldi ha to sir 2019 -2022 tak ka phla sa hi dala ha wha krla 2023 2024 wala khud as a test dedena

    • @thelastpersononearth9765
      @thelastpersononearth9765 2 місяці тому

      Saare ch ke already available hai, use that.

    • @yuvrajjawle2247
      @yuvrajjawle2247 2 місяці тому

      @@thelastpersononearth9765 ha kar raha hu

  • @shahishtahassan2597
    @shahishtahassan2597 6 днів тому +1

    At 3:33:40 the ans must be 200 if -625kJ is taken
    It's 230 when -635 is taken

  • @aman2104
    @aman2104 2 місяці тому +7

    Sir aap sara formula ek jagah likh kr hamlogo ko provide kro sare subject ka alag alag like eduniti ne kiya phy ke liye please please please for mains

  • @Goodboy111-v4t
    @Goodboy111-v4t 22 дні тому

    1:53:57
    1:40:31
    1:46:45
    1:49:27
    2:49
    Units Ka hamesa khayal
    If pdeltaV nikalane me kasht toh use deltang RT
    Hamesa rexn 3:37:24 bnake
    dekho
    3:42:00
    3:50:14
    Delta h = deltau + deltngrt
    Me hamesa calculation per mole Karo Baad me according to questions in joule me Nikal lena
    Hamesa Delta h solution = Delta lattice + Delta hydration
    4:38:35
    Hamesa delta s = q/t if t same
    Otherwise use second formula

  • @RajeshGoswami-zx2ku
    @RajeshGoswami-zx2ku 26 днів тому +1

    2:26:00 new to me 🎉
    2:32:00 2:49:16
    4:19:00
    Ntm 4:37:00
    4:29:00 must watch
    4:32:00 must watch
    4:37:00 must watch
    New aproch 4:49:20
    4:38:00 must

  • @physicsisfun-l4
    @physicsisfun-l4 Місяць тому +4

    Sir error at 1:09:06 enthalpy of formation defined for one mole
    So for two moles of ab, double value of hf in equation to -400 fir answer 800 ayega
    Apke equation se 400 ans aa raha hai

    • @SpeedKairyuu
      @SpeedKairyuu 18 днів тому

      correct way kya his question ka?

  • @SomiyaGoel
    @SomiyaGoel 2 місяці тому +6

    its my 5th chapter pyq video ...your efforts really helpful for u😍😍

  • @rahuljoshi1426
    @rahuljoshi1426 5 днів тому +1

    3:33:47 answer should be 200

  • @vihaandahiya8357
    @vihaandahiya8357 Місяць тому +2

    Thank you sir,I know the theory but was struggling to start the questions,this will help me build approach .❤❤😊

  • @ishant3225
    @ishant3225 18 днів тому +1

    1:06:50 2023
    2:00:34 2022
    3:03:32 2021
    3:51:08 2020

  • @Arpit-qj1on
    @Arpit-qj1on 2 місяці тому +2

    1:05:45 jee mains 2023 starts

  • @RitikaKumari-h4p
    @RitikaKumari-h4p 3 місяці тому +4

    Very grateful to you for this. I am aneet aspirant and is practising ques of jee . ...,❤

  • @anandpatel7478
    @anandpatel7478 Місяць тому

    5:08 New type
    7:50 Heat of solution and hydration use
    25:00 adiabetic rxn

  • @meenameena291
    @meenameena291 22 дні тому

    26:27 (important adiabatic cond.)
    1:18:00 (tricky enthalpy ques.)
    1:21:00 (graph prob.) (NEXT BHI DEKH)
    1:27:00
    1:37:00

  • @akshaypal2400
    @akshaypal2400 2 місяці тому +6

    plz check the 2023 13 april ques ,the answer is not matching

  • @coolsharma3562
    @coolsharma3562 7 днів тому

    38:13
    1:35:12
    2:30:55
    2:40:42 minus sign ka dhyaan rakho !!

  • @Abhinav-Bhat
    @Abhinav-Bhat Місяць тому +2

    This is peak content sir
    Theory done now questions !!!!
    Will get 99%ile

  • @princegulbase
    @princegulbase 4 дні тому

    54:21 sir isme first wali rxn ko reverse krenge na so calculation m -3(110) -822 aayenga na solve krte hua , please correct me if i am wrong

  • @vaishnavigupta3663
    @vaishnavigupta3663 Місяць тому +2

    5:00
    18:05
    23:05
    29:00
    35:16
    38:10
    41:25
    51:51 calculation
    57:00 unit coversion
    1:02:00 calcul
    1:13:37
    1:14:59
    1:18:27
    1:24:23 bomb calorimeter
    1:28:08 thermochemistry
    1:35:18 vg
    1:42:43 vg
    1:44:42 g
    1:51:09 vvvvg🤯🤯
    1:55:58 doubt
    2:08:04 2:11:05 repeated!!!
    2:18:35 silly
    2:19:55
    2:26:20 unique!

  • @user-lq1eb5nz7l
    @user-lq1eb5nz7l 3 дні тому

    Really the pyqs of 2022 are very interesting, and upon that the explanation is great. A perfect combination!!

  • @onlystudy2219
    @onlystudy2219 2 місяці тому +1

    1:44:52 sir maine iss question ko born haber cycle banake kia kya wo approach sahi hai? maine reactions nhi banaye aur maine dissociation energy ko negative lia baaki dono energies ko positive

  • @UTsahu-y8f
    @UTsahu-y8f Місяць тому +2

    sir app kis coaching institute me ho the student are very lucky

  • @kevalmandalia7153
    @kevalmandalia7153 20 днів тому

    1:52:58 repeat
    2:33:33
    2:52:39

  • @Siddhanganabain
    @Siddhanganabain Місяць тому +1

    thank you so much sir ❤🙏found your channel today...really very helpful

  • @motivationmastery5442
    @motivationmastery5442 26 днів тому +2

    51:00 Nishant Jindal spotted 💀

  • @aarushsingh5519
    @aarushsingh5519 17 днів тому

    sir please dont stop making such videos, you have less views because theyre only viewed by aspirants who wish to do well. This is major help for such students, who will always be grateful for it 🙏

  • @Jgyllenhall
    @Jgyllenhall 3 місяці тому +9

    1:08:51 Sir, answer should be 400J

    • @chemshiksha
      @chemshiksha  3 місяці тому +1

      Haan recheck karlo ek baar meri calculations

    • @dark_webilluminati
      @dark_webilluminati 3 місяці тому +1

      @@Jgyllenhall yes 200 =0.5k

    • @pry4112
      @pry4112 14 днів тому

      Official answer is 800 though

  • @TriAmv666
    @TriAmv666 15 днів тому

    41:00
    52:50
    1:05:50
    1:09:25
    1:12:10
    1:24:25
    1:32:55
    1:35:10
    1:42:45
    1:54:25
    2:00:30
    2:07:50
    2:24:10
    3:00:05

  • @ShrutiSinha-pu2mw
    @ShrutiSinha-pu2mw 5 днів тому

    42:38 bond energy:- delta h = h reactant -h products

  • @AnkitKumar-mv1ig
    @AnkitKumar-mv1ig Місяць тому

    2:51:01, 2:31:16, 2:39:23, 3:21:41, 3:00:00, 3:05:41, 2:57:05, 3:23:09, 3:28:36, 3:43:05, 3:43:05

  • @sky69shorts5
    @sky69shorts5 3 місяці тому +3

    Self Rvn
    5:09
    11:05 18:37

  • @eggcnnbeggcnn7136
    @eggcnnbeggcnn7136 3 місяці тому +2

    Sir iske bad goc phir kya

  • @soulpiyush8073
    @soulpiyush8073 3 місяці тому +2

    Can you please upload the pdf without solution also for practice .

  • @as__gaming9223
    @as__gaming9223 Місяць тому +7

    Jigar chahiye sir itni mehnat karne ke liye

  • @ayushjena9369
    @ayushjena9369 3 місяці тому +4

    Sir are last 5 years pyqs enough to get 99 percentile in chemistry..??

  • @tuansuri4805
    @tuansuri4805 2 місяці тому

    3:17:42
    Sir the acid isnt monobasic
    the net eq should be 2(H+ + OH- = h2o)
    thus enthalpy should be 2*57.3 ????
    pls clear this doubt sir

  • @KrishAggarwalA
    @KrishAggarwalA 2 місяці тому

    3:04:28 but at constant temperature change in internal energy is zero , so why there is a non zero answer

  • @rachitmishra6011
    @rachitmishra6011 8 днів тому

    thankyou sir ..this series is helping a lot ...theory to padh rakhhhi thi bus que. practice krni thi

  • @aimbotarmylive799
    @aimbotarmylive799 2 місяці тому +2

    1:38:02 wala solution thoda samjh nhi aaya

  • @adityarawat-md8pc
    @adityarawat-md8pc Місяць тому

    1:27:54 sir why don't you chngeT into k here

  • @harshit_9t9
    @harshit_9t9 2 місяці тому +1

    Sir can you please make a video on how to approach lengthy calculations or calculations with log

  • @prekpaoml
    @prekpaoml 3 місяці тому +3

    1:09:15 there is an error it should be 400

  • @Sachi-p9h
    @Sachi-p9h 23 дні тому +1

    12:48 sir 273 hoga na ?

  • @gauravnagar6913
    @gauravnagar6913 2 місяці тому +1

    1:27:50 par temp ko Kelvin me convert kiya hi nhi to unit kelvin me kese aagyi

    • @2069.
      @2069. Місяць тому

      Aur saath me 1000 sec se multiply kr diye... (Mera bhi same doubt hai)

    • @gauravnagar6913
      @gauravnagar6913 Місяць тому

      @@2069. Ya to fhir answer degree Celsius ke basis par hi Diya hoga

    • @2069.
      @2069. Місяць тому

      @@gauravnagar6913 type kr ke search kiye the ye question, teacher bol rha tha change in temp( degree Celsius ya Kelvin) me same he hoga , ab kya he bole..

    • @gauravnagar6913
      @gauravnagar6913 Місяць тому

      @@2069.vese bhi Change in temp. To usi unit me hona chiye na Jo final aur initi temp ki unit thi

    • @gauravnagar6913
      @gauravnagar6913 Місяць тому

      @@2069. Question me hi issue hoga

  • @noobnobita6059
    @noobnobita6059 25 днів тому +1

    Sir plz All Chapter ke Physical Chemistry Ke formulae ki ek video Bana dijiye sir Bahut help ho jyegi plz sir

  • @shadows_writers_o7200
    @shadows_writers_o7200 25 днів тому

    1:09:06 :- Ans 400

  • @KrishGupta-w6n
    @KrishGupta-w6n День тому +1

    The best

  • @SharlinPatel-fw5ku
    @SharlinPatel-fw5ku 19 днів тому

    1:30:45 sir isme H2 ka zero nahi ana chaiye ???

  • @sooraj6036
    @sooraj6036 2 місяці тому +1

    Sir please one more pyq series on coordination compounds and p block as it contains now more weightage in mains ❤❤❤

  • @AryanGupta-xy6rn
    @AryanGupta-xy6rn 3 місяці тому +1

    Sir at 3:02:50 in this question if I use the relation Cp-Cv=R (R=8.314) to find Cv and then use delta U= nCv deltaT to find internal energy I get the answer - 183.372. Can you pls explain me where have I done the mistake??

    • @EDITZ-o1d
      @EDITZ-o1d 2 місяці тому

      Bhai boo cv nhi at constant pressure de rkha h boo cp hai

  • @ParshantTanwar-ff5cu
    @ParshantTanwar-ff5cu 23 дні тому

    1:05:56 start here

  • @KrishAggarwalA
    @KrishAggarwalA 2 місяці тому +2

    2:36:05 but yha 2 moles hai na toh enthaply into 2 hoga

  • @Alone-i1c
    @Alone-i1c 3 місяці тому +2

    Sir isme saare pyq covered hai ya slected hai
    As i do not have any. Pyq book

  • @vaibhavno1832
    @vaibhavno1832 23 дні тому +1

    sir x is 400 in 1:08:59

  • @Jgyllenhall
    @Jgyllenhall 3 місяці тому +1

    Sir please bring solutions and chemical kinetics also.

  • @rahulkumar22336
    @rahulkumar22336 3 місяці тому +2

    Sir waiting for solution and chemical kinetics but iske liye thanks ❤

  • @onlystudy2219
    @onlystudy2219 2 місяці тому

    3:02:45 sir ismein nCv∆T wala formula nhi use kar sakte?

  • @sujalsain0001
    @sujalsain0001 2 місяці тому +2

    Bro is ready to complete the whole chemistry channel 💝💝

  • @aarushsingh5519
    @aarushsingh5519 17 днів тому

    sir small correction at 1:08:51 the correct ans is 400

  • @vedant.bhajipale
    @vedant.bhajipale 2 місяці тому

    10:20 24:40 29:09c 32:24 38:23 1:11:04 1:18:05 1:22:43 1:34:44 1:36:17 1:47:40 2:24:48

  • @debkumar...8389
    @debkumar...8389 3 місяці тому +2

    Thank you so much sir❤🙏🏻

  • @physicsisfun-l4
    @physicsisfun-l4 Місяць тому

    Error at 1:38:05 in calculation of delta ng

  • @EDITZ-o1d
    @EDITZ-o1d 2 місяці тому

    3:17:45 q. 29 I think ans will be in celsius ATQ 82-273

  • @Yash-vv7hy
    @Yash-vv7hy 2 місяці тому

    13:15 don't forget to convert R in kj
    24:10 final pressure pext naki initial

  • @dipanshusingh818
    @dipanshusingh818 Місяць тому

    1:05:45 pyq of 2023 starts

  • @harshisawesome9698
    @harshisawesome9698 3 місяці тому

    THANKU VERY MUCH SIR YOUR METHOD OF EXPLAINING IS IMPRESSIVE!!👍

  • @pranav8509
    @pranav8509 17 днів тому

    1:09:33 start from here (for me)

  • @PremKumar-lr9vw
    @PremKumar-lr9vw Місяць тому +1

    thank u sir for this amazing session

  • @RAKESHSHARMA-fx5qv
    @RAKESHSHARMA-fx5qv 18 днів тому

    thank you sir it helped me lot in question practice

  • @AnshulSharma-yp8lb
    @AnshulSharma-yp8lb 2 місяці тому

    35:00 sir is ques me statement 2 me mole ki jgh equivalent ka use hota to vo jyada accurate hota na than mole to kya statment 2 ko correct bolenge ??

  • @AryanGupta-xy6rn
    @AryanGupta-xy6rn 3 місяці тому +3

    Sir, are these enough if I solve all these pyqs honestly for mains??

  • @AshishKumar-uc9kv
    @AshishKumar-uc9kv 20 годин тому

    3:59:03 41000 multiply 5 hoga

  • @Jithin-zv7kf
    @Jithin-zv7kf 4 дні тому +1

    Sir... Time stamps lagao

  • @akhilsrivastava3742
    @akhilsrivastava3742 2 місяці тому

    1. 1:08:00 yaad rakho bond enthalpy me reactant - product karo
    1:38:00

  • @Statusjunction495
    @Statusjunction495 3 місяці тому

    Very good lecture ❤❤❤
    Thank you so much sir ☺️

  • @SpeedKairyuu
    @SpeedKairyuu 18 днів тому

    errors in your solution at 1:09:10 , please provide correct solution

  • @utkarsh4184
    @utkarsh4184 3 місяці тому +1

    Thanks sir I am preparing for neet 2025 and just searching for this Chapter questions and your video arrives ❤❤

  • @utkarshraj6828
    @utkarshraj6828 18 днів тому

    1: 30:47 pe ans is 429KJ

  • @RahulYadav-op1nb
    @RahulYadav-op1nb 2 місяці тому +2

    Sir koi ak group banaiye plz

  • @PRASHANTGupta-ut8br
    @PRASHANTGupta-ut8br 21 годину тому

    Sir ap 2.303 lete to usse answer math nhai jota jab ki G GIBBES BALE FORMULE MAI[ RTln q hoga] time 1hr 50 min 23 sec

  • @potato8927
    @potato8927 26 днів тому

    sir 3:09:55 par aapne temp ko 298 likh diya jabki ques me 293 diya hai

  • @snehilyadav8972
    @snehilyadav8972 3 місяці тому +1

    Thank you sir you are goat Teacher ❤❤

  • @xiennus
    @xiennus 2 місяці тому

    1:56:40 kaise pata chala isothermal hai?

  • @PawanKumar-dl2ni
    @PawanKumar-dl2ni Місяць тому

    1:05:47 sir isme aapne w= 2.303 nrt Log10(v2/v1) kyon nahin lagaya

  • @as__gaming9223
    @as__gaming9223 Місяць тому

    Aapko salute hai sir itni mehnat ke liye

  • @RYANNIKhil1121
    @RYANNIKhil1121 3 місяці тому +1

    Sir 11th ki OC mai Goc& hydrocarbon kra dijeye pehle ya fir puuri PC pehle khatam kra dijeye.tysm for your efforts.

  • @DafuqBoom-r3r
    @DafuqBoom-r3r Місяць тому

    Check list 1:29:00

  • @PawanKumar-dl2ni
    @PawanKumar-dl2ni Місяць тому

    1:09:06 sir answer us 400 😢😢😢😢
    Aap e wrong kra

  • @sangitakanta-gj3rx
    @sangitakanta-gj3rx Місяць тому

    Sir 1:27:54 main ans 21.5 hona chahiye naa 60000÷278

  • @learnwithsrijan6695
    @learnwithsrijan6695 2 місяці тому

    3:33:39 I think it will be 200 KJ

  • @uniiiverseee
    @uniiiverseee 2 місяці тому

    2022 q1,6,8,11, 16?, 23 3:17:29 3:27:08

  • @OrionZera
    @OrionZera 24 дні тому

    8:30
    2:39:30
    2:48:15

  • @cklast400
    @cklast400 Місяць тому

    I think this channel is enough for my chemistry practice . thanks a lot
    please sir make same series of pyq for jee advanced also