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NEET UG CHEMISTRY MCQ: HYDROCARBONS

1 Easy
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Analyzing +4 | -1
A hydrocarbon Xadds on one mole of hydrogen to give another hydrocarbon and decolourised bromine water. X react with KMnO4\mathrm{KMn}{\mathrm{O}_4} in presence of acid to give two mole of the same carboxylic acid. The structure of X is:
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Correct option: B
CH3CH2CH=CHCH2CH3\mathrm{C}{\mathrm{H}_3}\mathrm{C}{\mathrm{H}_2}\mathrm{CH} = \mathrm{CHC}{\mathrm{H}_2}\mathrm{C}{\mathrm{H}_3}
Option B (CH3CH2CH=CHCH2CH3\mathrm{C}{\mathrm{H}_3}\mathrm{C}{\mathrm{H}_2}\mathrm{CH} = \mathrm{CHC}{\mathrm{H}_2}\mathrm{C}{\mathrm{H}_3}) is correct because it adds one mole of hydrogen and gives two moles of the same carboxylic acid upon reaction with KMnO4\mathrm{KMn}{\mathrm{O}_4}.

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