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Identify product (B) in the following reaction sequence:

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Important Questions on Aldehydes, Ketones and Carboxylic Acids

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Acetone and acetaldehyde are differentiated by:
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Arrange the following compounds in decreasing order of rate of exchange of O18 with H2O18
(X) CCl3CHO (Y) CH3CHO (Z) CH3COCH3 (W) CF3CHO
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The above compound describes a condensation polymer that can be obtained in two ways: either treating 3 molecules of acetone CH3COCH3 with concentrated H2SO4 or passing propyne CH3CCH through a red hot tube. The name of polymer is:

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Which of the following reactions represent incorrect product:

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Arrange the following compounds in order of their rate of addition with NaCN/H2SO4

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The correct order of rate of addition with HCN is: