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Compound A (molecular formula C3H8O) is treated with acidified potassium dichromate to form a product B (molecular formula C3H6O).

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Compound A (molecular formula C3H8O) is treated with acidified potassium dichromate to form a product B (molecular formula C3H6O). B forms a shining silver mirror on warming with ammoniacal silver nitrate. B when treated with an aqueous solution of H2NCONHNH2.HCI and sodium acetate gives a product C. Identify the structure of C.

(a) CH3CH2CH = NNHCONH2 

(d) CH3CH2CH = NCONHN2

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The correct option is: (a) CH3CH2CH = NNHCONH2 

Explanation:

Reaction of B indicates that B is an aldehyde thus B should be C2H5CHO or CH3CH2CHO and therefore C should be CH3CH2CH - NNHCONH2.

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