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In the following reaction, 4P+3KOH+3H(...

In the following reaction,
`4P+3KOH+3H_(2)O rarr 3KH_(2)PO_(2)+PH_(3)`

A

Only phosphorus is both oxidised and reduced

B

Only phosphorus is reduced

C

Phosphorus is both oxidised and reduced

D

Phosphorus is neither oxidised nor reduced

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-OXIDATION & REDUCTION -OXIDATION NUMBER ( EXERCISE -1)
  1. The oxidation number of nitrogen in NH(2)OH is :

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  2. If H(2)S gas is passed through a solution of K(2)Cr(2)O(7), the colour...

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  3. In the following reaction, 4P+3KOH+3H(2)O rarr 3KH(2)PO(2)+PH(3)

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  4. Oxygen has an oxidation state of +2 in

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  5. The oxidation number of chlorine in HOCl is

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  6. O.N. of hydrogen in KH, MgH(2) and NaH respectively would be -

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  7. In C+H(2)O rarr CO+H(2), H(2)O acts as

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  8. Identify oxidising & Reducing Agent - PbS+4H(2)O(2) rarr PbSO(4) + 4...

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  9. Equivalent weight of oxidising agent will be - 2H(2) + O(2) rarr 2H(...

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  10. Which one can act as oxidising & reducing agent both -

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  11. Which compound can not be used as oxidising agent -

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  12. Which compound cannot be used as Reducing agent -

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  13. For the redox reaction, MnO(4)^(-) + C(2)O(4)^(2-) + H^(+) rarr Mn^(...

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  14. For the redox reaction MnO(4)^(-) + C(2)O(4)^(2-) + H^(+) rarr Mn^(2...

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  15. In the chemical reaction, K(2)Cr(2)O(7)+xH(2)SO(4)+ySO(2)rarrK(2)SO(...

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  16. What will be the value of x,y and z in the following equation -

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  17. Which will be the value of x, y and z in the following equaton. xI(2...

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  18. Cu+X rarr Cu(NO(3))(2) + 2H(2)O + 2NO(2). Here X is -

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  19. In the redox reaction - 10FeC(2) O(4)+x KMnO(4)+24H(2)SO(4) rarr 5Fe...

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  20. Which of the following equations is a balanced one?

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