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Which of the following does not give oxy...

Which of the following does not give oxygen on heating?

A

`(NH_(4))_(2)Cr_(2)O_(7)`

B

`K_(2)Cr_(2)O_(7)`

C

`Zn(ClO_(3))_(2)`

D

`KClO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
`(NH_(4))_(2)Cr_(2)O_(7)overset(Delta)(rarr)N_(2)+Cr_(2)O_(3)+4H_(2)O:` rest all gives oxygen.
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A2Z-P BLOCK ELEMENTS ( GROUP 15,16,17,18)-AIPMT/NEET Questions
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  2. Sulphur trioxide can be obtained by which of the following reactions:

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  3. Which of the following does not give oxygen on heating?

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  4. Which of the following statement given below is incorrect?

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  5. Br^(-) is converted into Br(2) by using

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

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  7. Which of the following has greatest reducing power?

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  8. When thiosulphate ion is oxidised by iodine, which one of the followin...

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  9. When chlorine is passed over dry slaked lime at room tempreture, the m...

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  10. in the manufactring of bromine from sea water, the mother liquor conta...

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

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  12. Which has the highest molar heat of vaporisation?

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  13. Which of the following is the weakest acid?

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

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  15. Which of the following reaction is not feasible?

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  16. Which of the following statements is not true?

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

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  18. Which one of the following is present as an active ingredient in bleac...

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  19. The variation of the boiling points of the hydrogen halides is in the ...

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

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