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Treatment of Washing Soda

Hardness of w...

Question

Hardness of water is directly measured by titration with Ethylene-Diamine-Tetracetic Acid (EDTA) using

A

methyl orange indicator

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B

phenolphthalein indicator

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C

ferroin indicator

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D

eriochrome black T indicator

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Solution

The correct option is D eriochrome black T indicator
eriochrome black T indicator

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Similar questions

Q. The disodium salt of ethylene diamine tetracetic acid can be used to estimate the following ion(s) in the aqueous solution.

Q. Ethylene diamine is converted to ethylene glycol using:

Q. Assertion :Hardness of water is determined by tinting it with disodium salt of

E D T A

Reason: The indicator used in the titration is Erichrome black-

T

p H = 10

Read the above assertion and reason and choose the correct option regarding it.

Q. Hardness of water is estimated by simple titration with which compound?

EDTA is hexadentate ligand and is used to remove hardness in water.

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