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Question
Assertion (A): All the carbon atoms in H2C = C = CH2 are sp2 hybridised
Reason (R): In this molecule all the carbon atoms are attached to each other by double bonds.
Options
Both A and R are correct and R is the correct explanation of A.
Both A and R are correct but R is not the correct explanation of A.
Both A and R are not correct.
A is not correct but R is correct.
Solution
A is not correct but R is correct.
Explanation:
Since hybridization of C can be found out by counting σ bonds and π bonds present on C atom. This can be shown as-
\[\ce{\overset{3α}{\underset{1π}{CH2}} = \overset{2α}{\underset{2π}{C}} = \overset{3α}{\underset{1π}{CH2}}}\]
If C has 3σ bonds then it is sp2 hybridized. If C has 2σ bonds then it is sp hybridized.
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