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Question: Answered & Verified by Expert
Match the complexes in Column I with their properties listed in Column II. Indicate your answer by darkening the appropriate bubbles of the $4 \times 4$ matrix given in the ORS.

ChemistryRedox ReactionsJEE Main
Options:
  • A
    A-p; B-q; C-p; D-q, r
  • B
    A-p, s; B-q, r; C-p, r; D-r, s
  • C
    A-s; B-p; C-p; D-q
  • D
    A-p, s; B-r; C-p, q; D-p, s
Solution:
2038 Upvotes Verified Answer
The correct answer is:
A-p, s; B-r; C-p, q; D-p, s
A-p,s B-r, C-p,q, D-p,s,
$$
\begin{aligned}
2 \mathrm{CrO}_4^{2-} \longrightarrow \mathrm{Cr}_2 \mathrm{O}_7^{2-} \\
\mathrm{MnO}_4^{-}+\mathrm{NO}_2^{-}+\mathrm{H}^{+} \longrightarrow \mathrm{Mn}^{2+}+\mathrm{NO}_3^{-}+\mathrm{H}_2 \mathrm{O} \\
\mathrm{NO}_3^{-}+\mathrm{H}_2 \mathrm{SO}_4+\mathrm{Fe}^{2+} \longrightarrow \mathrm{Fe}^{3+}+\mathrm{NO}+\mathrm{SO}_4^{2-}+\mathrm{H}_2 \mathrm{O}
\end{aligned}
$$

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