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JEE CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE
1
Medium
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Analyzing
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Assertion (A) : The bond dissociation energy increases from to and then decreases to
Reason (R): The low bond energy of fluorine is due to the repulsion between the lone pairs of electrons in two fluorine atoms.
The correct option among the following is :
Reason (R): The low bond energy of fluorine is due to the repulsion between the lone pairs of electrons in two fluorine atoms.
The correct option among the following is :
View answer and explanation
Correct option: A
(A) is true, (R) is true and (R) is the correct explanation for (A)
The correct answer is A ((A) is true, (R) is true and (R) is the correct explanation for (A)) because the bond dissociation energy trend and the reason for fluorine's low bond energy are both accurate and related.
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The hybridization in sulphur dioxide is
has the same geometry as:
The pair of molecules forming strongest hydrogen bonds are
Paramagnetism is shown by
Which statement is correct?
Assertion (A) : is a weaker Lewis acid than .
Reason (R) : The planar molecule is stabilised to a greater extent than by -bonding.
Reason (R) : The planar molecule is stabilised to a greater extent than by -bonding.