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NEET UG CHEMISTRY MCQ: HYDROCARBONS

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On passing benzene vapour through a tube at

700 - 800^\circ C

or through molten lead we get:

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Correct option: A

Diphenyl

Option A (Diphenyl) is correct because passing benzene vapor through a hot tube or molten lead causes dimerization to form diphenyl.

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

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