An organic compounds of molecular formula $C_{3} H_{5} O$ did not give a silver mirror with Tollens' reagent but gave an oxime with hydroxylamine, it may be

C H \equiv C H - C H_{2} - O H

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C H_{3} C O C H_{3}

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C H_{3} C H_{2} C H O

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C H_{2} = C H - O C H_{3}

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Solution

The correct option is B $C H_{3} C O C H_{3}$
The compound is a ketone, not an aldehyde because aldehydes give silver mirror test with Tollens' reagent. Alcohol/ethers do not form oxime with hydroxylamine. Ketones react with hydroxylamine to form oxime, but they don't give silver mirror with tollens' reagent.
$R C H O + 2 [A g (N H_{3})_{2}]^{+} + 3 O H^{-} \to R C O O^{-} + 2 A g ↓ + 2 H_{2} O + 4 N H_{3} Aldehyde Tollen's Reagent Carboxylate ion Silver mirror$
Hence, the option (b) is the correct answer.

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An organic compounds of molecular formula C3H5O did not give a silver mirror with Tollens' reagent but gave an oxime with hydroxylamine, it may be

An organic compounds of molecular formula $C_{3} H_{5} O$ did not give a silver mirror with Tollens' reagent but gave an oxime with hydroxylamine, it may be