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Chemistry-Molecular Orbital Theory

NEET Chemistry Molecular Orbital Theory Assertion Reason Question

Type: Assertion Reason-assertion-Hard-Class 11

Assertion (A): In ethane (C2H6), each carbon atom forms three sp3-s sigma bonds with hydrogen atoms. | Reason (R): The C–H bond length in ethane is 154 pm.

A

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

B

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

C

A is true but R is false.

D

A is false.

Correct Answer

Option C

Detailed Explanation

In ethane, each carbon atom forms three sp3-s sigma bonds with hydrogen atoms (A is true), but the C–H bond length is 109 pm, not 154 pm (R is false).

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