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NEET UG CHEMISTRY MCQ: ALDEHYDES & KETONES & CARBOXYLIC ACIDS

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What are the products formed when an equimolar mixture of benzaldehyde and formaldehyde is heated with concentrated NaOH?\mathrm{NaOH}?
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Correct option: A
C6H5−CH2−OH  and  H−COONa{C_6}{H_5} - C{H_2} - OH\,\,\mathrm{and}\,\,H - COONa
Option A (C6H5−CH2−OH  and  H−COONa{C_6}{H_5} - C{H_2} - OH\,\,\mathrm{and}\,\,H - COONa) is correct because the reaction is a Cannizzaro reaction where benzaldehyde is reduced to benzyl alcohol and formaldehyde is oxidized to sodium formate.

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Acetone reacts with Grignard reagent to form Liquid obtained by distillation of red ant is The compound which will not reduce Tollen's reagent is Consider the following reactions,

CH3COOH→CaCO3A→HeatB\mathrm{C}{\mathrm{H}_3}\mathrm{COOH}\xrightarrow{{\mathrm{CaC}{\mathrm{O}_3}}}A\xrightarrow{{\mathrm{Heat}}}B

Compound B is:
 Conversion of benzaldehyde to 3-phenylprop-2-en-1-oic acid is A mixture of calcium acetate and calcium formate on heating gives:
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