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Assertion: Conc. H(2)SO(4) cannot be use...

Assertion: Conc. `H_(2)SO_(4)` cannot be used to prepare pure HBr from NaBr.
Reason: It reacts is weaker than O-H bond.

A

HBr oxidises `H_2SO_4`

B

HBr reduces `H_2SO_4`

C

HBr undergoes disproportionation.

D

KBr reacts very slowly.

Text Solution

Verified by Experts

The correct Answer is:
B
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RESONANCE ENGLISH-P BLOCK ELEMENTS-SINGLE CHOICE TYPE
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  2. Which halogen liberates oxygen, when passed through hot concentrated K...

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  3. Assertion: Conc. H(2)SO(4) cannot be used to prepare pure HBr from NaB...

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  4. Which of the following gases can be dried by conc. H2SO4 ?

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  5. ClO(2) reacts with water and alkali to give:

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  6. Which of the following is not the characteristic of interhalogen compo...

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  7. When chlorine is bubbled through aqueous solution of potassium iodide,...

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  9. Which compound is prepared by the following reaction: underset("(2:1...

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  10. XeF(2) reacts with PF(5) to give :

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  11. Among noble gases (from He to Xe ) only xenon reacts with fluorine to ...

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  12. What are the products formed in the reaction of xenon hexafluoride wit...

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  13. Which of the following pair will give chlorine gas most quickly, upon ...

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  14. Iodine is liberated from KI solution when treated with :

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  15. HI can be prepared by all the following methods except

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  16. Select correct statement(s)

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  17. What products are expected from the disproportionation reaction of hyp...

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  18. Select the correct order(s).

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  20. Which of the following statement(s) is/are incorrect for noble gases ?

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