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Concentrated H(2)SO(4) cannot be used to...

Concentrated `H_(2)SO_(4)` cannot be used to prepare HBr from NaBr , because it ,

A

(A) reduces HBr

B

(B) oxidises HBr

C

(C) disproportionates HBr

D

(D) reacts slowly with NaBr

Text Solution

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The correct Answer is:
B
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RESONANCE-P-BLOCK ELEMENTS (HALOGEN & NOBLE GASES)-EXERCISE-1 PART-2
  1. The strongest acid amongst the following is:

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  2. Which of the following halogen hydrides will have the weakest conjugat...

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  3. Concentrated H(2)SO(4) cannot be used to prepare HBr from NaBr , becau...

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  4. Hydrogen bromide is dried by passing the gas through:

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  5. Which one of the hydracid does not form any precipitate with AgNO(3)?

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  6. Which can do glass etching?

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  7. Identify A and B In following reaction, H2SO4 + HBr to A + B + H2O

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  8. Which of the following is obtained whon gold is troated with aquaregia...

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  9. Which of the following hydrogen halide is most volatile?

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  10. which of the following has maximum bond strength:

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  11. Which of the following is the strongest acid?

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  12. The number of lone pairs on central atom in XeF2, XeF4 and XeF6 are:

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  13. of the following species, one which is non-existent:

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  14. XeF2 on complete hydrolysis gives:

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  15. Hydrolysis of XeF4 and CaCN2 gives respectively:

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  16. Xenon hexafluoride undergoes hydrolysis in strong alkaline medium:

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  17. In the inter halogen compounds of AB3//AB5 form which is correct:

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  18. Which one of the following is a pseudohalide ?

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  19. Which of the following behaves like pseudohalogen compound:

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  20. Which of the following statement is correct.

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