15. Assertion: Acetylene is more acidic than ethylene.
Reason: Acetylene has sp character of carbon and, therefore, more s-character.
a. Bothassertion and reasonare CORRECTandreasonisthe CORRECT explanationof
the assertion.
b. Both assertion and reasonare CORRECT but, reason is NOT THE CORRECT
explanation of theassertion.
C Assertion is CORRECT but, reason is INCORRECT.
d. Assertion is INCORRECT but, reason is CORRECT.
Answers
Answer:
b
Explanation:
i hope it helps you.........
(a) Both assertion and reason are CORRECT and the reason is the CORRECT explanation of the assertion.
Acetylene (C2H2) is more acidic than ethylene (C2H4) as it has a triple bond between two carbon atoms.
The higher electronegativity of the triple-bonded carbon atoms causes the hydrogen atoms in acetylene to be more acidic than those in ethylene.
The reason provided in the statement is also correct. Acetylene has an sp hybridization, which means that the carbon atom is more electronegative due to a higher s-character.
This higher s-character makes the carbon atom more acidic and therefore increases the acidity of acetylene.
Hence,
(a) Both assertion and reason are CORRECT and the reason is the CORRECT explanation of the assertion.
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