Which of the following pairs of compounds can | vedclass

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(C) To differentiate two compounds using a reagent,one compound must react while the other does not.$1$. $NaHCO_3$ (Sodium bicarbonate) is a weak base

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Benzoic acid and Benzyl alcohol

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(C) To differentiate two compounds using a reagent,one compound must react while the other does not.$1$. $NaHCO_3$ (Sodium bicarbonate) is a weak base. It reacts only with strong acids like carboxylic acids $(pKa \approx 4-5)$ to evolve $CO_2$ gas,but does not react with weaker acids like phenols $(pKa \approx 10)$.$2$. $NaOH$ (Sodium hydroxide) is a strong base. It reacts with both carboxylic acids and phenols to form their respective salts.$3$. In option $(c)$,Benzoic acid $(C_6H_5COOH)$ is a strong acid that reacts with both $NaHCO_3$ (evolving $CO_2$) and $NaOH$. Benzyl alcohol $(C_6H_5CH_2OH)$ is a neutral compound that does not react with either $NaHCO_3$ or $NaOH$. Thus,they can be differentiated by both reagents.

Which of the following pairs of compounds can be differentiated by $NaHCO_3$ as well as by $NaOH$?

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