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Straight Chain Hydrocarbons

Which of the ...

Question

Which of the following decolourise Baeyer's reagent?

A

C H_{4}

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B

C_{2} H_{6}

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C

C_{3} H_{8}

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D

C_{2} H_{2}

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Solution

The correct option is D $C_{2} H_{2}$
Baeyer's reagent is alkaline $K M n O_{4}$ , it reacts with unsaturated hydrocarbon (alkene, alkyne etc.) and decolourizes its pink colour. Among all the given options only $C_{2} H_{2}$ is usaturated, rest all are alkanes.

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Straight Chain Hydrocarbons

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