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Which of the following are true for an a...

Which of the following are true for an acid- base titration?

A

Indicators catalyse the acid-base reactions by relasing or accepting `H^(o+)` ions.

B

Indicators do not significantly affect the `pH` of the solution to which they are added

C

Acid-base reactions do not occur in the absence of indicators

D

Indicators have different colours in dissociated and undissociated forms.

Text Solution

Verified by Experts

The correct Answer is:
B, D
a. Wrong statement.
b. Correc: Indicators are weak acid or base and are added is small amount. So they do not affect the `pH` of the solution.
c. Wrong: They occur even in the absence of indicators.
d. Correct: Factual statement.
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