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A salt , which on heating with conc. H(2...

A salt , which on heating with conc. `H_(2)SO_(4)` gives violet vapour is

A

Iodide

B

Nitrate

C

Sulphate

D

Bromide

Text Solution

Verified by Experts

The correct Answer is:
A
`KI+underset(Conc.)(H_(2)S)O_(4)overset(Delta)(rarr)2Cll+Br_(2)`
Conc. `H_(2)SO_(4)+2HIrarr2H_(2)underset("Violet"_("Vapour"))(O)+I_(2)+SO_(2)uarr`
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A2Z-P BLOCK ELEMENTS ( GROUP 15,16,17,18)-AIPMT/NEET Questions
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  2. Br^(-) is converted into Br(2) by using

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  3. A salt , which on heating with conc. H(2)SO(4) gives violet vapour is

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  4. Which of the following has greatest reducing power?

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  8. Sodium chloride when heated with conc. H(2)SO(4) and solid potassium d...

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  9. Which has the highest molar heat of vaporisation?

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  10. Which of the following is the weakest acid?

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  11. When chlorine reacts with cold and dilute solution of sodium hydroxide...

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  13. Which of the following statements is not true?

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  14. Acid strength of oxy acids of chlorine follows the order:

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  17. Among the following, the correct order of acidity is:

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  20. Which one of the following configurations represents a noble gas?

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