Question

10) An unsaturated hydrocarbon has a molecular mass of 28 gm . Give its molecular

formula and structure. How can it converted into ethanol?​

Answer 1

Answer:

Compound (A) is neopentane (as represented by option C).

Since it is an alkane, its formula is CnH2n+2

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∴12n+2n+2=72

⟹n=5

(A) has the molecular formula C 5H12

Only (C) gives one product on monochlorination

Explanation: Hope it helps u