NEET UG CHEMISTRY MCQ: HYDROCARBONS

1 Medium

1 of 1

Analyzing +4 | -1

Which of the following has the smallest heat of hydrogenation per mole

View answer and explanation

Correct option: D

1,3-butadiene

Option D (1,3-butadiene) is correct because conjugated dienes like 1,3-butadiene are more stable due to resonance, thus having the smallest heat of hydrogenation per mole.

More Questions from HYDROCARBONS

Practice All Chapter MCQs →

The reaction of alkanes with halogen is explosive in the case of: A mixture of sodium benzoate and soda lime on heating produces The major product of the following reaction is

C{H_3}C \equiv CH\xrightarrow[{(ii)\;DI}]{{(i)\;DCl\;(1\;equiv.)}}

S-I : Heavy metal acetylides can be used to purify alkynes
S-II: Terminal alkynes form acetylides which are soluble in acids. Select the incorrect statement regarding A

C{H_3} - C \equiv CH + {H_2}OA

Kharasch effect is based on