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NEET UG CHEMISTRY MCQ: HYDROCARBONS

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Butyne on oxidation with hot. alk

KMn{O_4}

gives

View answer and explanation

Correct option: C

C{H_3}C{H_2}COOH + C{O_2} + {H_2}O

Option C (

CH_3CH_2COOH + CO_2 + H_2O

) is correct because the triple bond in butyne is cleaved by hot alkaline

KMnO_4

, resulting in propanoic acid and carbon dioxide.

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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