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Assertion (A) . All the carbon atom in H...

Assertion (A) . All the carbon atom in `H_(2)C = C = CH_(2)` are `sp^(2)`-hybridised.
Reason (R). In this molecule all the carbon atoms are attached to each other by double bonds

A

Both A and R are correct and R is the correct explanation of A

B

Both A and R are correct but R is not the correct explanation of As

C

both A and R are not correct

D

A is not correct but R is correct

Text Solution

Verified by Experts

The correct Answer is:
D
A is not correct but R is correct.
Hybridisation can be determined by counting `sigma-`bond
`{:(" "3 sigma " " 2 sigma " " 3 sigma),(H_(2)C = C = CH_(2)),(3 sigma - sp^(2) " hybridisation "),(2 sigma - sp " hybridisation "):}`
Correct assertion. In `H_(2) = C = CH_(2)`, the central carbon is sp-hybridised whereas the terminal carbons are `sp^(2)` -hybridised.
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Assertion (A) : All the carbon atoms in H_(2)C=C=CH_(2) are sp^(2) hybridised Reason (R) : In this molecule, all the carbon atoms are attached to each other by double bonds.

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