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Question

Reason
$$CH_3$$ (Methyl group) show steric crowding.
Assertion
All $$C-C-C$$ bonds angles in Isobutene $$(CH_3-\underset{\displaystyle CH_3}{\underset{|}{C}}=CH_2)$$ are different.
All $$C-C-C$$ bonds angles in Isobutene $$(CH_3-\underset{\displaystyle CH_3}{\underset{|}{C}}=CH_2)$$ are different.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B
Both Assertion and Reason are incorrect
C
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
D
Assertion is correct but Reason is incorrect
Solution
Verified by Toppr

Correct option is A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Steric effects complement electronic effects, which usually dictate shape and reactivity. Steric effects result from repulsive forces between overlapping electron clouds. $$CH_3$$ is a bulky group so it shows steric hiderance.

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