Reagents which can be used to convert alcohols to carboxylic acids, are (A) $\mathrm{CrO}_3-\mathrm{H}_2 \mathrm{SO}_4$ (B) $\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7+\mathrm{H}_2 \mathrm{SO}_4$ (C) $\mathrm{KMnO}_4+\mathrm{KOH} / \mathrm{H}_3 \mathrm{O}^{+}$ (D) $\mathrm{Cu}, 573 \mathrm{~K}$ (E) $\mathrm{CrO}_3,\left(\mathrm{CH}_3 \mathrm{CO}\right)_2 \mathrm{O}$ Choose the most appropriate answer from the options given below :

Question

Reagents which can be used to convert alcohols to carboxylic acids, are

(A) $\mathrm{CrO}_3-\mathrm{H}_2 \mathrm{SO}_4$

(B) $\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7+\mathrm{H}_2 \mathrm{SO}_4$

(D) $\mathrm{Cu}, 573 \mathrm{~K}$

(E) $\mathrm{CrO}_3,\left(\mathrm{CH}_3 \mathrm{CO}\right)_2 \mathrm{O}$

Choose the most appropriate answer from the options given below :

(B), (C) and (D) only

(B), (D) and (E) only

(A), (B) and (C) only

(A), (B) and (E) only

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