Chemistry-Oxidation Number

NEET Chemistry Oxidation Number Match the Following Question

Type: Match the Following-match the column-Easy-Class 11

Match Column-I with Column-II.

Column-I Column-II (a) Chromium in Cr2O7^2– (i) +6 oxidation state (b) Sulfur in SO3^2– (ii) +4 oxidation state (c) Sulfur in SO4^2– (iii) +6 oxidation state (d) Chromium in Cr^3+ (iv) +3 oxidation state

Choose the correct matching:

A

a-i, b-ii, c-iii, d-iv

B

a-ii, b-iii, c-i, d-iv

C

a-i, b-iv, c-ii, d-iii

D

a-iii, b-ii, c-i, d-iv

Correct Answer

Option A

Detailed Explanation

Chromium in Cr2O7^2– has an oxidation state of +6, sulfur in SO3^2– has +4, sulfur in SO4^2– has +6, and chromium in Cr^3+ has +3. This is corroborated by the oxidation number changes described in the provided NCERT context.

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