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MnO(4)^(-)+8H^(+)+n e^(-)rarrMn^(2+)+4H(...

`MnO_(4)^(-)+8H^(+)+n e^(-)rarrMn^(2+)+4H_(2)O`
The value of n is 

A

5

B

4

C

2

D

3

Text Solution

Verified by Experts

The correct Answer is:
A
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AAKASH SERIES-STOICHIOMETRY-OBJECTIVE EXERCISE - 2
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  2. Whast is the oxidation state of Fe in the product formed when acidifie...

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  3. MnO(4)^(-)+8H^(+)+n e^(-)rarrMn^(2+)+4H(2)O The value of n is

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  4. Balance the following equation by choosing the correct option xKNO3 ...

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  5. X litre of carbon monoxide is present at mSTP. It is completely oxidi...

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  6. Acetylene can be prepared from calcium carbonate by a series of reacti...

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  7. Liquid benzene burns in oxygen according to 2C(6)H(6)(1)+150(2)(8) to1...

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  8. Phosphine on decomposition produces phosphorus and hydrogen. When 100 ...

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  9. One mole of fluorine reacted with two moles of hot concentrated KOH. T...

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  10. The atomic masses of two elements A and B are 20 and 40 respectively. ...

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  11. In the formation of Al(2)O(3) from Al and O(2), if 1.5 mole of oxygen ...

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  12. The weight of MgCO(3) required for the preparation of 12g of MgSO(4) b...

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  13. 0.01 mole of iodoform (CHI(3)) reacts with Ag powder to produce a gas ...

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  14. Air contains 20% by volume of oxygen. The volume of air required for t...

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  15. When 20 ml of methane and 20 ml of oxygen are exploded together and th...

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  16. How many litres of CO(2) at STP wil be formed when 100 of 0.1 M H(2)SO...

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  17. When a sample of baking is strongly ignited in a crucible, it suffered...

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  18. 1g of Mg is burnt in a vessel containing 0.5 g of oxygen. The remainin...

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  19. 25.5 g of H(2)O(2) solution on decomposition gave 1.68 L of O(2) at ST...

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  20. A gas mixture contains acetylene and carbondioxide. 20 lit of this mix...

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