question_answer

Which of the following is the best synthesis of 2-chloronitrobenzoic acid?

A)

(i) Benzoic acid

(ii) \[\Delta \]with\[HN{{O}_{3}},{{H}_{2}}S{{O}_{4}}\]

(iii) \[C{{l}_{2}},\,FeC{{l}_{3}},\Delta \]

B)

(i) Toluene

(ii) \[HN{{O}_{3}},\,{{H}_{2}}S{{O}_{4}}\]

(iii) \[C{{l}_{2}},\,FeC{{l}_{3}},\,\Delta \](iv) \[{{K}_{2}}C{{r}_{2}}{{O}_{7}},{{H}_{2}}O,\,{{H}_{2}}S{{O}_{4}},\Delta \]

C)

(i) Treat nitrobenzene with\[C{{l}_{2}},\,FeC{{l}_{3}}+\Delta \]

(ii) \[C{{H}_{3}}Cl,\,AlC{{l}_{3}}\]

(iii) \[{{K}_{2}}C{{r}_{2}}{{O}_{7}},{{H}_{2}}O,{{H}_{2}}S{{O}_{4}},\Delta \]

D)

(i) Benzoic acid

(ii) \[HN{{O}_{3}}+{{H}_{2}}S{{O}_{4}}\]

(iii) \[C{{l}_{2}},\,FeC{{l}_{3}},\Delta \](iv) \[{{K}_{2}}C{{r}_{2}}{{O}_{7}},{{H}_{2}}O,{{H}_{2}}S{{O}_{4}},\Delta \]

E)

(i) Treat nitrobezene with\[C{{l}_{2}},FeC{{l}_{3}}+\Delta \]

(ii) \[HCl+HN{{O}_{3}}\]

(iii) \[{{K}_{2}}C{{r}_{2}}{{O}_{7}},{{H}_{2}}O,{{H}_{2}}S{{O}_{4}},\Delta \]

Correct Answer: B

Solution :