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  • Which of the following are used to convert RCHO into RCH_2OH? (i) H2/Pd (ii) LiAlH_4 (iii) NaBH_4 (iv) Reaction with RMgX followed by hydrolysis

Which of the following are used to convert RCHO into RCH_{2}OH ?

(i) {H_{2}}/{Pd}

(ii) LiAlH_{4}

(iii) NaBH_{4}

(iv) Reaction with RMgX followed by hydrolysis

Answers (1)

The answer is the option (i), (ii), and (iii). The above-mentioned reactant is an aldehyde that is converted into alcohol. This type of reaction is called a reduction reaction. The reduction reaction is carried out in the presence of hydrogen metal catalysts to increase the rate of the reaction. The metal catalyst used is {H_{2}}/{Pd}. If it is replaced by NaBH_{4} or LiAlH_{4}, the reaction will still take place to get the exact result. This makes option (i), (ii), and (iii) as the correct answers.

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