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When Cl2 gas reacts with hot and concent...

When `Cl_2` gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number of chlorine changes from

A

zero to +1 and zero to - 5

B

zero to - 1 and zero to + 5

C

zero to - 1 and zero to + 3

D

zero to +1 and zero to -3

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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
  1. Sulphur trioxide can be obtained by which of the following reaction?

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  2. Which of the following statements is not valid for oxoacids of phospho...

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  3. When Cl2 gas reacts with hot and concentrated sodium hydroxide solutio...

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  4. Roasting of sulphides gives the gas X as a by-product.This is a colour...

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  5. Which one of the molecule contains no pi-bond?

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  6. Which of the following is a polar molecule?

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  7. Which is the strongest acid in the following:

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  8. Acidity diprotic acids in aqueous solution increases in the order

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  9. What happens when zinc sulphide and barium sulphate react together?

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  10. Which of the statements given below is incorrect?

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  11. Express 2028 in roman numbers.

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  12. Express 2030 in roman numbers.

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  13. Which is the correct statement for the given acids?

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  14. Match the compounds given in Column I with the hybridisation and shape...

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  15. Which one of the following order is correct for the bond dissociation ...

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  16. The product obtained as a result of a reaction of nitrogen with CaC2 ...

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  17. When copper is heated with conc. HNO3 it produces

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  18. What happens when ammonium nitrate reacts with aluminium powder togeth...

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  19. What happens when solution of copper sulphate and quick lime react tog...

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  20. Express 2031 in roman numbers.

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