13C NMR DEPT Spectroscopy | Problem Solving Approach | Organic Spectroscopy

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  • Опубліковано 24 гру 2024

КОМЕНТАРІ • 81

  • @guntinarahari3031
    @guntinarahari3031 5 років тому +1

    I feel very happy to see you for the first time sir...though i have been following for six months...
    I got confident to clear my csir only after watching your videos sir....

  • @subhadeepsamanta6556
    @subhadeepsamanta6556 5 років тому +14

    6 positive and 2 negative for compound B
    4 positive and 2 negative for compound A

    • @Jitendra-hd8ew
      @Jitendra-hd8ew 2 роки тому

      A will have 4 +ve & 2 -ve peaks...
      B will have 8 +ve & 2 -ve peaks..

    • @chandrashekhar392
      @chandrashekhar392 5 місяців тому +1

      ​@@Jitendra-hd8ewfor compound B, only 6 + & 2 -ve peaks in DEPT 135⁰

  • @kushrana7612
    @kushrana7612 5 років тому +1

    In compound A 4 +ve and 2 -ve
    In compound B 6 +ve and 2 -ve
    thank you sir 👍👍👍

    • @AllBoutChemistry
      @AllBoutChemistry  5 років тому +1

      Very good 👍

    • @AllBoutChemistry
      @AllBoutChemistry  5 років тому +2

      But check the chemical environments also, answer will be little different

    • @kanikasharma7840
      @kanikasharma7840 5 років тому

      It will be 3 positive and 2 negative for A

    • @Jitendra-hd8ew
      @Jitendra-hd8ew 2 роки тому

      A will have 4 +ve & 2 -ve peaks...
      B will have 8 +ve & 2 -ve peaks..

    • @Jitendra-hd8ew
      @Jitendra-hd8ew 2 роки тому

      @@AllBoutChemistry A will have 4 +ve & 2 -ve peaks...
      B will have 8 +ve & 2 -ve peaks..

  • @mahaalotaibi3954
    @mahaalotaibi3954 4 роки тому

    Thank you SO MUCH for great explanation

  • @pg-trb-chemneetcsirchem5282
    @pg-trb-chemneetcsirchem5282 5 років тому

    For a-4positive,2negative
    For b-6positive,2negative. thank you sir

  • @experimentalchemistry6679
    @experimentalchemistry6679 5 років тому +5

    In A compound postive signals is 3, negative signals is 2

    • @AllBoutChemistry
      @AllBoutChemistry  5 років тому +1

      Check it again, it should be 4 positive peaks in A

    • @experimentalchemistry6679
      @experimentalchemistry6679 5 років тому +1

      is it both ch3 ' s r same chemical environment..

    • @AllBoutChemistry
      @AllBoutChemistry  5 років тому +3

      @@experimentalchemistry6679 yes correct 😊 both will give peak at same position, so two peaks will converge into one, in the Spectra they'll look 3 positive peaks only.
      Very good

    • @pmadathi7150
      @pmadathi7150 4 роки тому +1

      Then cpd B..Is has a 5 +ve?

  • @p.jayanthiajith8496
    @p.jayanthiajith8496 5 років тому

    A for 4 positive peak and 2 negative peak,B for 5(+)and 2(-)peak

  • @PriyankaSingh-nm1zl
    @PriyankaSingh-nm1zl 5 років тому

    very nice

  • @HimanshuSharma-xn6uc
    @HimanshuSharma-xn6uc 3 роки тому +2

    B:- total 7 peak 5 positive 2 negative
    A:- total 5 peak 3 positive 2 negative

  • @wiwiwi6446
    @wiwiwi6446 2 роки тому

    thank you very much sir

  • @priyalsoni4398
    @priyalsoni4398 5 років тому +1

    In compounds A 4 positive peck and 2 negative peck
    In compounds B 6 positive peck and 2 negative peck

  • @ramt.ramnjaneyulu4833
    @ramt.ramnjaneyulu4833 5 років тому +6

    For A 4 positive and 2 negative signals,
    For B 6 positive and 2 negative signals.

    • @Jitendra-hd8ew
      @Jitendra-hd8ew 2 роки тому

      A will have 4 +ve & 2 -ve peaks...
      B will have 8 +ve & 2 -ve peaks..

  • @nikitagupta7496
    @nikitagupta7496 5 років тому +1

    Plz solve questions on whole Raman spectroscopy

  • @pratikshasalave5524
    @pratikshasalave5524 4 роки тому +1

    Thnx sir

  • @bobbalisandhya4861
    @bobbalisandhya4861 5 років тому +1

    4 positive and 2 negative peaks for compound A.
    6 positive and 2 negative peaks for compound B

    • @Mounika-o5x
      @Mounika-o5x 5 років тому

      But how

    • @bobbalisandhya4861
      @bobbalisandhya4861 5 років тому

      @@Mounika-o5x in compound A 4 carbons( 3 CH3 and 1CH ) are having odd number of hydrogens so which are appear above the line of spectra so consider them as +ve peaks
      Similarly only two CH2 are present
      Means CH2 is even no hydrogens so appear below the line so consider them as -ve peaks

    • @Mounika-o5x
      @Mounika-o5x 5 років тому

      @@bobbalisandhya4861 thank you very much

    • @Mounika-o5x
      @Mounika-o5x 5 років тому

      I can't seen last two examples I can see only explained example then ofter directly seen the comments Soo little bit confused...any way thanks for your responding thank you

    • @surendharnampelli8950
      @surendharnampelli8950 5 років тому

      Hi sandhya...

  • @sumanmondal6598
    @sumanmondal6598 5 років тому

    Thank you Sir.....

  • @zaheersiddiqui6939
    @zaheersiddiqui6939 5 років тому

    In compound A 4positive and 2 negative peak and in B 2 negative 6 positive peak

  • @riyachoubey598
    @riyachoubey598 Рік тому

    Thanks sir

  • @organicchemistrywithb.d.2117
    @organicchemistrywithb.d.2117 6 місяців тому

    Conpound A give 4(+) and 2(-) peak, Compound B will give 6(+) and 2(-) peak

  • @kamalchaudhary4328
    @kamalchaudhary4328 4 роки тому

    in first question at 144.4 carbon should be d because it directly attached to carbonyl carbon??

  • @pachaiyappan419
    @pachaiyappan419 4 роки тому +1

    Compound A .positive=4,& Negative=2
    Compound B positive=6 & Negative=2

  • @deepakkothari9870
    @deepakkothari9870 5 років тому +1

    For A 3positive and 2 negative
    For B 5positive and 2 negative

  • @shalinimishra9497
    @shalinimishra9497 4 роки тому

    A compound : 4 positive and 2 negative peaks
    B compund : 6 positive and 2 negative peaks

    • @Jitendra-hd8ew
      @Jitendra-hd8ew 2 роки тому

      A will have 4 +ve & 2 -ve peaks...
      B will have 8 +ve & 2 -ve peaks..

  • @meenakshi1814
    @meenakshi1814 5 років тому +5

    3 positive and 2 negative for compound A
    5 positive and 2 negative for compound B

    • @pratikshasalave5524
      @pratikshasalave5524 4 роки тому +1

      a positive value shows CH3 or either CH group so in compound a positive peaks shows 4 and in compound b positive peaks shows 6 .

  • @shravyareddy7495
    @shravyareddy7495 5 років тому +1

    For B compound has 5+ve,2-ve

  • @guntinarahari3031
    @guntinarahari3031 5 років тому

    A 4 positive peaks and for B 6positive peaks

  • @neichoihoilhouvum8744
    @neichoihoilhouvum8744 5 років тому

    Please solve as many inorganic questions possible from December 2018 NET

  • @ajitwadkar
    @ajitwadkar 5 років тому +1

    And for B compound 5 positive and 2 negative

    • @AllBoutChemistry
      @AllBoutChemistry  5 років тому

      Check it again i think it should be 6 +ve peaks in B

    • @banothlakpathi2908
      @banothlakpathi2908 5 років тому

      @@AllBoutChemistry sir check once chemical environment of terminal methyl groups

  • @ghoshmamon9365
    @ghoshmamon9365 4 роки тому

    Sir please upload chemical shift value of 13c nmr

  • @shomajoseph1433
    @shomajoseph1433 4 роки тому

    sir can you solve the 116th problem in 2014 december

  • @JYOTISINGH-jp1vd
    @JYOTISINGH-jp1vd 5 років тому

    A- 4positive,2 negative
    B- 6 positive,2 negative peaks

  • @ayushimishra7526
    @ayushimishra7526 5 років тому

    For compound A 4 postive and 2 negative
    For compound B 6 positive and 2 negative

    • @Jitendra-hd8ew
      @Jitendra-hd8ew 2 роки тому

      A will have 4 +ve & 2 -ve peaks...
      B will have 8 +ve & 2 -ve peaks..

  • @amodkumar2712
    @amodkumar2712 5 років тому

    Sir ! 2018 Dec ka question no 27 and 71 ka solutions upload kar dijye na today I am anxious because exam is at hand

  • @induyadav9058
    @induyadav9058 5 років тому

    4 +ve nd 2 -ve for A
    & 6 +ve nd 2 -ve for B

  • @kanikasharma7840
    @kanikasharma7840 5 років тому

    3 positive n 2 negative for A
    6 positive n 2 negative for B

  • @abhisheksuthar3180
    @abhisheksuthar3180 5 років тому +1

    First m 2 negative and 4 positive....second m 2 negative and 6 positive

  • @deekshasaini9607
    @deekshasaini9607 5 років тому

    4 positive n 2 negative for a
    6 positive n 2 negative for b

  • @p.sathishp9066
    @p.sathishp9066 5 років тому

    A ( 4+) ( 2-). B (6+) (2-)

  • @ajitwadkar
    @ajitwadkar 5 років тому

    4 positive &2 negative for compound A

  • @Jitendra-hd8ew
    @Jitendra-hd8ew 2 роки тому

    A will have 4 +ve & 2 -ve peaks...
    B will have 8 +ve & 2 -ve peaks..

  • @subhadeepsamanta6556
    @subhadeepsamanta6556 5 років тому

    Sir pls you explain 13C DEPT elaborately pls sir.....

  • @mysterychem4295
    @mysterychem4295 4 роки тому

    a 4 positive and 2 negative

  • @anuanitha6321
    @anuanitha6321 5 років тому

    For A 4 POSITIVE 2 NEGATIVE
    FOR B 6 POSITIVE 2 NEGATIVE

  • @RahulSharma-ww2zi
    @RahulSharma-ww2zi 5 років тому

    For A= +ve= 4; -ve=2 and for B= +ve=6 ; -ve= 2

    • @Jitendra-hd8ew
      @Jitendra-hd8ew 2 роки тому

      A will have 4 +ve & 2 -ve peaks...
      B will have 8 +ve & 2 -ve peaks..

  • @organicchemistrywithb.d.2117
    @organicchemistrywithb.d.2117 6 місяців тому

    Please give me answer

    • @lalitasharma6687
      @lalitasharma6687 2 місяці тому +1

      3 positive peak and 2 negative for A
      5 postive and 2 negative for B
      Always check the chemical environment you'll find in A and B both CH3 are same so give same peak

  • @amruthak9883
    @amruthak9883 5 років тому +1

    4 positive and 2 negative for A
    6 positive and 2 negative forB