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NEET UG CHEMISTRY MCQ: HYDROCARBONS

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Analyzing +4 | -1
A compound X(C5H8)X\left( {{\mathrm{C}_5}{\mathrm{H}_8}} \right) reacts with ammoniacal AgNO3\mathrm{AgN}{\mathrm{O}_3} to give a white precipitate, and on oxidation with hot alkaline KMnO4\mathrm{KMn}{\mathrm{O}_4} gives the acid,(CH3)2CHCOOH{\left( {\mathrm{C}{\mathrm{H}_3}} \right)_2}\mathrm{CHCOOH}. Therefore, XX is
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Correct option: C
(CH3)2CH−C≡CH{\left( {\mathrm{C}{\mathrm{H}_3}} \right)_2}\mathrm{CH} - \mathrm{C} \equiv \mathrm{CH}
Option C is correct because the compound X reacts with ammoniacal silver nitrate to give a white precipitate, indicating it is a terminal alkyne. Upon oxidation, it yields isobutyric acid, which confirms the structure of X as 3-methyl-1-butyne.

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