1. What is the product of the reaction of pentanoic acid with benzyl alcohol in the presence of a catalytic amount of [tex]$H_2SO_4$[/tex]?

A. Pentyl benawan
B. Benzyl pentanoate
C. Pentanoyl chloride
D. Pheryl pentanoate

2. What is the appropriate reagent to convert a primary amide to a nitrile?

A. LAH
B. KCN
C. [tex]$Ph_3P=CHCH_2$[/tex]
D. [tex]$SOCl_2$[/tex]

3. What is the appropriate reagent to convert an acid chloride to a ketone?

A. Lithium aluminum hydride
B. Mg and [tex]$CO_2$[/tex]
C. A Gilman reagent
D. A Grignard reagent

Benzylic pentanoate is the product of the reaction between pentanoic acid and benzyl alcohol. A primary amide can be converted to a nitrile using Ph3P4Cl2. A Gilman reagent is recommended for converting a primary acid chloride to a ketone.

Explanation:

The reaction product of pentanoic acid and benzyl alcohol in the presence of a catalytic amount of H2SO4 would be benzyl pentanoate. This reaction is an example of esterification, where a carboxylic acid reacts with an alcohol to form an ester.

To convert a primary amide to a nitrile, one of the appropriate reagents to use can be Ph3P4Cl2. This represents the use of a Staudinger reaction followed by oxidation.

To convert a primary acid chloride to a ketone, you can use a Gilman reagent, which is an organocopper compound (R2CuLi).

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