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Group(s) of periodic table not forming h...

Group(s) of periodic table not forming hydrides is/are -

A

7, 8 & 9

B

11 & 12

C

6

D

6, 7 & 8

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AAKASH INSTITUTE-TEST 5-EXAMPLE
  1. Consider the following statements. l. Permanent hardness of water is r...

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  2. Choose the incorrect statement.

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  3. Group(s) of periodic table not forming hydrides is/are -

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  4. Consider the reaction H2O2

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  5. Match the Column-I to Column-II

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  6. Equivalent mass of KMnO4 in acidic and basic medium respectively [M = ...

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  7. Identify the compound in which S has highest oxidation state.

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  8. Given : Identify the cell which will give maximum EMF^o

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  9. What is the average oxidation state of oxygen In S2O8^2-

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  10. Identity the disproportionaüon reaction.

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  11. Which of the following arrangement represents increasing oxidation num...

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  12. In which of the following compounds, an element exhibits two different...

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  13. Consider the following reactions. I. 2PbO + 4HCl to 2PbCl2 + 2H2O ll....

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  14. The most basic oxide among the following is -

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  15. Among the following the least soluble sulphate is

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  16. Thermal stability of hydrides of alkali metals -

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  17. During manufacturing of sodium hydroxide castner kellner cell is -

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  18. The abnormally smaller size of Ga among its group can be explained by ...

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  19. The oxide which is amphoteric in nature is -

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  20. When alkali metal is dissolved in liquid NH3 the blue colour of the di...

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