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Which of the following change requires a...

Which of the following change requires a reducing agent 

A

`CrO_(4)^(2-)rarr Cr_(2)O_(7)^(2-)`

B

`BrO_(3)^(2-)rarr BrO^(-)`

C

`NH_(3)rarrNF_(3)`

D

`Al(OH)_(3)rarrAl(OH)_(4)^(-)`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-STOICHIOMETRY-OBJECTIVE EXERCISE - 2
  1. Which of the following is dependen on temperature ?

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  2. MnO(4)^(-)+SO(3)^(2-)+H^(+)rarrMn^(2+)+SO(4)^(2-). The number of H^(...

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  3. Which of the following change requires a reducing agent

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  4. Cr(OH)(3)+H(2)O(2)overset("Alkali")(to)CrO(4)^(-2)+H(2)O the number of...

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  5. In the reaction the stoichiometry coefficients of Cr(2)O(7)^(2-), NO(2...

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  6. The oxidation number of V in Rb(4)[HV(10)O(28)] is

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  7. The number of moles of MnO(4)^(-) and Cr(2)O(7)^(-2) separately requir...

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  8. A compound contains atoms of three elements A, B and C. If the oxidati...

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  9. Which one of the following is an example of disproportionation reactio...

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  10. KMnO(4) reacts with KI,in basic medium to form I(2) and MnO(2)When 250...

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  11. Whast is the oxidation state of Fe in the product formed when acidifie...

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

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

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

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

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

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

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

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

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

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