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) Carbon in CO3^2– (i) +4 (b) Oxygen in H2O (ii) -2 (c) Iron in FeCl2 (iii) +2 (d) Chromium in Cr2O7^2– (iv) +6

Choose the correct matching:

A

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

B

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

C

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

D

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

Correct Answer

Option A

Detailed Explanation

The oxidation number of carbon in carbonate (CO3^2–) is +4, oxygen in water (H2O) is -2, iron in ferrous chloride (FeCl2) is +2, and chromium in dichromate (Cr2O7^2–) is +6.

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