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Oxygen is not evolved when:...

Oxygen is not evolved when:

A

potassium chlorate is heated with `MnO_(2)` catalyst

B

sodium peroxide racts with water

C

ammonium nitrate is heated

D

zinc oxide is treated with NaOH

Text Solution

Verified by Experts

The correct Answer is:
C, D
`NH_(4)NO_(3)overset(Delta)toN_(2)O+2H_(2)O`
`ZnO+2NaOH to Na_(2)ZnO_(2)+H_(2)O`
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VK JAISWAL-p-BLOCK ELEMENTS-ONE OR MORE ANSWERS IS/ARE CORRECT
  1. The reaction of sodium thiosulphate with I(2) gives:

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  2. identify the correct statement(s):

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  3. Oxygen is not evolved when:

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  4. Identify the correct statements:

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  5. Which of the following properties of the elements chlorine, bromine an...

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  6. Which of the following statement(s) is/are correct?

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  7. Which of the following statement is true about NO(2) and ClO(2)?

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  8. Cl(2)O(6)+NaOH to ?

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  9. Predict product(s) in the following reaction, Cl(2)+OH^(-) overset(h...

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  10. In the isolation of fluorine a number of difficulties were encountered...

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  11. Iodine is formed when potasium iodide reacts with:

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  12. Available Cl2​ is liberated from bleaching powder when it :-

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  13. Which reactions are used for the preparation of the halogen acid?

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  14. Which of the following statement(s) is/are correct for halogens

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  15. What are products in the following equation, S+OH^(-) to ?

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  16. Correct statements about the hydrogen halides include that:

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  17. Which of the following statement(s) is/are not correct?

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  18. Which of the substances react with water?

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  19. Which of the following substances are soluble in NaOH solution?

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  20. Which of the following molecules have a dative bonding (p pi-d pi) ?

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