MEDIUMMCQ SINGLEJEE Mains ChemistryOrganic ChemistryHydrocarbonsPrevious Year Questions

Base strength of iii ii i H CCH , H C CHand H C C is in the order of (AIPMT 2008)

A.(i) > (iii) > (ii)

B.(i) > (ii) > (iii)✓ Correct

C.(ii) > (i) > (iii)

D.(iii) > (ii) > (i)

Explanation

2 2 3 3 2 2 3 3 sp sp sp sp sp sp Acidic character H C C H CH CH CH CH Conjugate base of the given acid: 2 2 3 Basic character C C H CH CH CH CH Conjugate base of stronger acid is weaker and vice- versa.

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