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The reaction takes place at anode in H2 ...

The reaction takes place at anode in `H_2 - O_2` fuel cell is

A

`2H_2O + O_2 + 2e^(-) to 4OH^(-)`

B

`H_2 + 2OH^(-) to 2H_2O + 2e^(-)`

C

`2H_2 + O_2 to2H_2O`

D

`2H_2O to 2H_2 + O_2`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-HYDROGEN AND ITS COMPOUNDS-OBJECTIVE EXERCISE - 2B
  1. In nuclear transmutation tritium is obtained from

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  2. The gas synthesised by coal gasification is

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  3. The reaction takes place at anode in H2 - O2 fuel cell is

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  4. Assertion (A): Methane can't act as Lewis acid Reason (R): The ca...

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  5. When 'n' moles of CO combines with (2n+1) moles of H2 , the hydrocarbo...

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  6. Which is soluble in water

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  7. Exhausted permutit does not contain the following cation

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  8. Both temporary and permanent hardness can be removed by using

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  9. Heavy water can be prepared by

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  10. Solubility of NaCl in heavy water is

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  11. Which of the following is a correct statement regarding D2O

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  12. Anhydride of deutero nitric acid is

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  13. The compound formed when heavy water reacts with Ca3P2 is 'X'. Its mo...

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  14. At 20^@C the electrical conductivity of water is 5.7 xx 10^(-8) ohm^(...

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  15. If excess of Ca(OH)2 is added to hard water in Clark's method

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  16. pH of the water coming out of cation exchange resin

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  17. 12 ml of saturated solution .001gr of CaCO(3) were required in the ti...

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  18. A sample of water contained 30ppm of MgSO4 . Its hardness is

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  19. 100Kg of a sample of water contained 6 g of MgSO4 . The degree of hard...

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  20. The physical constant which is less for water than for heavy water is

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