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What is the average oxidation state of o...

What is the average oxidation state of oxygen In `S_2O_8^2-`

A

-2

B

-1

C

-1.75

D

-2.5

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AAKASH INSTITUTE-TEST 5-EXAMPLE
  1. Identify the compound in which S has highest oxidation state.

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

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

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  4. Identity the disproportionaüon reaction.

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

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

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

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  8. The most basic oxide among the following is -

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  9. Among the following the least soluble sulphate is

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  10. Thermal stability of hydrides of alkali metals -

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

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

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  13. The oxide which is amphoteric in nature is -

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

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  15. Beryllium hydride forms polymeric structure in solid state due to exis...

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  16. Percentage strength of 100 V H2O2 solution is nearly

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  17. Which among the following is not a silicate

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  18. which of the following compounds on hydrolysis will form cross linked ...

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  19. The combination which will not release H2 gas is -

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  20. The correct order of ease of thermal decomposition is -

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