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Chemistry-Transition Elements

NEET Chemistry Transition Elements Match the Following Question

Type: Match the Following-match the column-Hard-Class 12

Match Column-I with Column-II.

Column-I Column-II (a) Lanthanoid contraction (i) Oxidation of iodide to iodate (b) Manganese oxidation state (ii) Cu+ disproportionation (c) High melting point (iii) Similarity in properties of Zr and Hf (d) Cu2+ stability (iv) Transition metal properties

Choose the correct matching:

A

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

B

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

C

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

D

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

Correct Answer

Option A

Detailed Explanation

The lanthanoid contraction leads to similar radii and properties between Zr and Hf (a-iii). Manganese exhibits various oxidation states (b-i), and high melting points are characteristic of transition metals (c-iv). The stability of Cu2+ is explained by its negative enthalpy change (d-ii).

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