WBJEE 2023 Physics & Chemistry Solved Paper

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Question : 38 of 80

Marks: +1, -0

The correct set(s) of reactions to synthesize benzoic acid starting from benzene is/are

(i) Br2/‌Fe, (ii) Mg‌/‌dry ether, (iii) CO2, (iv) H3O⊕
(i) Br2/‌Fe, (ii) NH3,25∘, (iil) NaNO2, dil. HCl,0∘ to 5∘, (iv) CuCN‌/‌KCN, (v) dil. HCl,∆
(i) CH3‌Cl, Anhydrous AlCl3, (ii) KMnO4∣
⊕
O
H,∆, (iii) H3
⊕
O
(i) CH3‌COCl, Anhydrous AlCl3,
(ii) Br2,NaOH,
(iii) H3O⊕

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