Note: The questions given below consist of an Assertion in 1st line and the Reason
in 2nd line. Use the following key to choose the appropriate answer
(a) If both assertion and reason are True, and reason is the True explanation of
the assertion.
(b) If both assertion and reason are True, but reason is not the True explanation
of the assertion.
(c) If assertion is True, but reason is False.
(d) If both assertion and reason are False.
(i) Assertion- Tertiary carbocations are generally formed more easily than primary
carbocations.
Reason- Hyperconjugation as well as inductive effect due to additional alkyl
groups stabilize tertiary carbocations.
(ii) Assertion- Alkanes having more than three carbon atoms exhibit chain
isomerism.
Reason- All carbon atoms in alkanes are sp-hybridized.
(iii) Assertion- Alkyl carbanions like ammonia have pyramidal shape.
Reason- The carbon atom carrying negative charge has an octet of electrons.
(iv) Assertion- In CH2=C=CH2, all the carbon atoms are sp2
-hybridized.
Reason- All the H-atoms lie in one plane.
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