Assertion: Tungsten has very high melting point.
Reason: Tungsten is a covalent compound.

Options

A. Statement-1 is true , Statement-2 is true and Statement-2 is correct explanation for Statement-1
B. Statement-1 is true, Statement-2 is True and Statement-2 is Not correct explanation for statement-1
C. Statement-1 is true, Statement-2 is False
D. Statement-1 is False, Statement-2 is True

Answer

C

Explanation

Statement-1: The maxima at about the middle of each indicate that one unpaired electron per d orbital is particularly favourable of strong interatomic intersection. In general , greater he number of valence electrons, Stronger is the resultant bonding. Cr,Mo and W have maximum number of unpaired electrons and therefore , these are very hard metals and have maximum enthalpies of atomization. So tungsten has very melting point.
Statement-2: It is not a covalent compound but is a metal i.e an element.