NEET 2021 Model Test Paper 1

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Question : 73 of 180

Marks: +1, -0

For the indicator the ratio

[In⊖]

[HIn]

is 7.0 at pH of 4.3. KIn for the indicator will be :-

3.5×10−4
3.5×10−5
3.5×10−2
3.5×10−3

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