InterviewSolution
Saved Bookmarks
| 1. |
Assertion: Tungsten has very high melting point. Reason: Tungsten is a covalent compound.A. Statement-1 is true , Statement-2 is true and Statement-2 is correct explanation for Statement-1B. Statement-1 is true, Statement-2 is True and Statement-2 is Not correct explanation for statement-1C. Statement-1 is true, Statement-2 is FalseD. Statement-1 is False, Statement-2 is True |
|
Answer» Correct Answer - C 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. |
|