Tardigrade
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Tardigrade
Question
Chemistry
Assertion: F-F bond in F 2 molecule is strong. Reason: F atom is small in size.
Q.
Assertion
:
F
−
F
bond in
F
2
molecule is strong.
Reason
:
F
atom is small in size.
2812
173
AIIMS
AIIMS 2007
Report Error
A
If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
B
If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
C
If Assertion is true but Reason is false.
D
If both Assertion and Reason are false.
Solution:
F
−
F
bond in
F
2
is weaker than
Cl
−
Cl
bond in
C
l
2
due to the lower bond energy of
F
2
, despite shorter bond length is due to repulsion between lone pairs on two
F
atoms.