The correct sequence of reagents which would convert p-Nitrotoluene...

The correct sequence of reagents which would convert p-Nitrotoluene to p-Iodobenzoic acid is

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A(i) $\mathrm{Br}_2+\mathrm{FeBr}_2$ , (ii) Mg in ether, then $\mathrm{CO}_2$ , (iii) $3 \mathrm{H}_2$ and Pt or Ni catalyst, (iv) $\mathrm{HNO}_2, 0^{{}^{{}^{\circ}}} \mathrm{C}$ , (v) KI solution
B(i) $\mathrm{Br}_2$ in $\mathrm{CCl}_4$ and heat, (ii) NaI in acetone, (iii) $3 \mathrm{H}_2$ and Pt or Ni catalyst, (iv) $\mathrm{HNO}_2, 0^{{}^{{}^{\circ}}} \mathrm{C},(\mathrm{v}) \mathrm{H}_3 \mathrm{PO}_2$
C(i) $3 \mathrm{H}_2$ and Pt or Ni catalyst, (ii) $\mathrm{HNO}_2, 0^{{}^{{}^{\circ}}} \mathrm{C}$ , (iii) $\mathrm{Cu}_2 \mathrm{Br}_2+\mathrm{HBr}$ , (iv) $\mathrm{KMnO}_4$ and heat, (v) KI solution
D(i) $\mathrm{KMnO}_4$ and heat, (ii) $3 \mathrm{H}_2$ and Pt or Ni catalyst, (iii) $\mathrm{HNO}_2, 0^{{}^{{}^{\circ}}} \mathrm{C}$ , (iv) KI solution

Correct answer

D. (i) $\mathrm{KMnO}_4$ and heat, (ii) $3 \mathrm{H}_2$ and Pt or Ni catalyst, (iii) $\mathrm{HNO}_2, 0^{{}^{{}^{\circ}}} \mathrm{C}$ , (iv) KI solution

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