HARDMCQ SINGLEIChO (Chemistry Olympiad)Inorganic Chemistryd and f Block elementsAchiever Section

Assertion : The melting point of Mn is more than that of Fe. Reason : Mn has higher number of unpaired e– than Fe in atomic state.

A.A (b) B

C.C (d) D

Explanation

The melting point of Mn is less than that of Fe because of the complicated lattice structure of Mn. Thus, the assertion is incorrect. Number of unpaired electrons in Mn is 5 while in Fe it is 4. Thus, the reason is correct.

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