Chemistry-(general)
NEET Chemistry (general) Assertion Reason Question
Type: Assertion Reason-assertion-Easy-Class 12
Assertion (A): The presence of a carbonate ion in a salt can be confirmed by adding dilute sulphuric acid and observing effervescence.
Reason (R): Effervescence indicates the release of a gas that turns lime water milky, confirming the presence of carbonate ions.
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 A
Detailed Explanation
Effervescence upon adding dilute H2SO4 to a carbonate indicates CO2 gas release, which turns lime water milky, confirming carbonate presence.
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