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Tardigrade
Question
Chemistry
Assertion: Tungsten has very high melting point. Reason: Tungsten is a covalent compound.
Q.
Assertion:
Tungsten has very high melting point.
Reason:
Tungsten is a covalent compound.
2005
226
AIIMS
AIIMS 1997
The d-and f-Block Elements
Report Error
A
If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion
50%
B
If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion
25%
C
If Assertion is true but the Reason is false
25%
D
If both Assertion and Reason are false
0%
Solution:
Tungsten is a transistor element and is very hard due to high metallic bonding.
Tungsten
(
W
)
;
Z
=
74
;
5
d
5
6
s
1