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Q.

During titration, H2SO4 is preferably used over HCI and HNO3 to make the solution acidic because

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a

H2SO4  is a strong oxidising agent and it reacts with KMnO4 during titration

b

Some KMnO4 is consumed during the reaction with H2SO4

c

H2SO4 does not react with KMnO4 or the reducing agent used

d

H2SO4 can turn colourless KMnO4 to pink at the end point

answer is C.

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Detailed Solution

To avoid oxidation of any chemical reaction.

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