NEET UG CHEMISTRY MCQ: HYDROCARBONS

1 Medium

1 of 1

Understanding +4 | -1

But – 2 – yne is formed by reaction of

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Correct option: B

C{H_3}I

with disodium acetylide

Option B (

CH_3I

with disodium acetylide) is correct because the reaction of disodium acetylide with methyl iodide results in the formation of but-2-yne through SN2 reaction.

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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