Assertion :BF3 is a weaker Lewis acid than BCl3. Reason: The planar BF3 molecule is stabilised to a greater extent than BCl3 by B−Xπ-bonding.
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Assertion is correct but Reason is incorrect
Assertion is incorrect but Reason is correct
A
Assertion is correct but Reason is incorrect
B
Assertion is incorrect but Reason is correct
C
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
D
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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Solution
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In BF3, 2p orbital finds easy to overlap with 2p of fluorine as energy is same. This is not there in chlorine as energy is high
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Assertion :BF3 is a weaker Lewis acid than BCl3. Reason: The planar BF3 molecule is stabilised to a greater extent than BCl3 by B−Xπ-bonding.
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