Chemistry-(general)
NEET Chemistry (general) Assertion Reason Question
Type: Assertion Reason-assertion-Hard-Class 12
Assertion (A): PH3 has a lower boiling point than NH3.
Reason (R): PH3 molecules are associated through hydrogen bonding in the liquid state.
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 but R is true.
Correct Answer
Option C
Detailed Explanation
PH3 has a lower boiling point than NH3 because PH3 molecules are not associated through hydrogen bonding, unlike NH3. Hence, Reason (R) is false.
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