(A) Oxidation of 1^o alcohols with anhydrous ${CrO}_{3}$ will gives aldehydes but not carboxylic acids
(R) Anhydrous ${CrO}_{3}$ is a mild oxidant

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(A) is true but (R) is false

Both (A) and (R) are true but (R) is not the correct explanation of (A)

Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are false

answer is A.

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Detailed Solution

Aldehydes are produced by oxidizing primary alcohols. Carboxylic acids are generated by further oxidizing aldehydes.

Chromium trioxide is a potent oxidizing agent that tends to explode when in contact with organic compounds and solvents. It is not soluble in the majority of organic solvents.

Hence, Option A is correct.

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