Verified Solution • 2025–26 Session moderate

QNEET-2017-Ch-955: NEET 2017 Chemistry - Class 11 NEET-2017-Ch-955 Solution: Which one is the correct order of acidity? \(CH CH > CH_3-C CH…

Which one is the correct order of acidity? CH≡CH>CH3−C≡CH>CH2=CH2>CH3−CH3CH \equiv CH > CH_3-C \equiv CH > CH_2=CH_2 > CH_3-CH_3 CH≡CH>CH2=CH2>CH3−C≡CH>CH3−CH3CH \equiv CH > CH_2=CH_2 > CH_3-C \equiv CH > CH_3-CH_3 CH3−CH3>CH2=CH2>CH3−C≡CH>CH≡CHCH_3-CH_3 > CH_2=CH_2 > CH_3-C \equiv CH > CH \equiv CH CH2=CH2>CH3−CH=CH2>CH3−C≡CH>CH≡CHCH_2=CH_2 > CH_3-CH=CH_2 > CH_3-C \equiv CH > CH \equiv CH

Multiple Choice Options

  • A CH ≡\equiv _ CH > CH 3 −- _ C ≡\equiv _ CH                     > CH 2 == = CH 2 > CH 3 −- _ CH 3
  • B CH ≡\equiv _ CH > CH 2 == = CH 2                     > CH 3 −- _ C ≡\equiv _ CH > CH 3 −- _ CH 3
  • C CH 3 −- _ CH 3 > CH 2 == = CH 2                     > CH 3 −- _ C ≡\equiv _ CH > CH ≡\equiv _ CH
  • D CH 2 == = CH 2 > CH 3 −- _ CH == = CH 2                     > CH 3 −- _ C ≡\equiv _ CH > CH ≡\equiv _ CH

Step-by-Step Verified Solution

Greater the character of C-atom in hydrocarbons, greater the electronegativity of that carbon and thus greater the acidic nature of the H attached to electronegative carbon. Thus CH _ CH > CH 3 _ C _ CH                     > CH 2 = CH 2 > CH 3 _ CH 3

Related Learning Resources & Exam Preparation