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Concentrated sulphuric acid connot be us...

Concentrated sulphuric acid connot be used to prepare HBr or HI from KBr and KI because it

A

reacts too slowly with KBr or KI

B

reduces HBr or HI

C

oxidises HBr or HI

D

oxidises KBr to `KBrO_(3)` or KI to `KIO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
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Sulphuric acid is considered as the king of chemicals. The prosperity of any country is measured by the amount of sulphuric acid it consumes. Sulphuric acid is, thus, a substance of very great commercial importance as it used practically ine every important industry. This is due to the following properties of sulphuric acid : (a) acidic nature (b) oxidising nature (c) dehydrating nature (d) sulphonation. Concentrated H_2 SO_4 cannot be used to prepare HBr or HI from KBr or KI because it.

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NARAYNA-16TH GROUP ELEMENTS-LEVEL-V
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