| Read the assertion and reason carefully to mark the correct option out of the options given below: |
| Assertion: Straight chain alkanes have very low octane number. |
| Reason: Quality of gasoline is measured in terms of octane number. |
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
E) If assertion is false but reason is true.
Correct Answer: B
Solution :
[b] Straight chain alkanes have very low octane number because as the length of the chain increases, octane number further decreases.
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