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In the reaction P + NaOH rarr PH(3) +NaH...

In the reaction `P + NaOH rarr PH_(3) +NaH_(2)PO_(2)`

A

P is oxidised only

B

P is reduced only

C

Na is reduced

D

P is reduced as well as oxidised

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The correct Answer is:
D
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NARAYNA-SOME BASIC CONCEPTS IN CHEMISTRY STOICHIOMETRY (PART-I)-All Questions
  1. Which of the following statements is wrong ?

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  2. The conversion of Glucose to carbon dioxide with respect to carbon is

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  3. In the reaction P + NaOH rarr PH(3) +NaH(2)PO(2)

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  4. Which of the following can be used both as an oxidant and a reductant?

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  5. Which does not undergo comproportionation reaction?

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  6. The oxidation number of Oxygen in KO(2) is

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  7. The oxidation number and covalency of sulphur in the sulphur molecule ...

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  8. Na(2)SO(3)+H(2)O(2) rarr Na(2)SO(4) +H(2)O, in reaction

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  9. In which of the following compounds, sulphur atom has different oxida...

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  10. Change in oxidation number is maximum in the following reaction

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  11. Which of the following are neutral oxide?

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  12. The oxidation state of N in HNO(4) is

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  13. Which of the following can acts as a reducing agent ?

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  14. Which of the following is displacement reaction :

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  15. N kg^(-1) is the unit of :

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  16. Prefix zepto and femto stands for which multiples ?

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  17. The number of significant figures in N(0) = 6.022 xx 10^(23) (Avogadro...

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  18. The correctly reported answer of the addition of 4.523, 2.3 and 6.24 w...

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  19. The answer of the calculation (2.568 xx 5.8)/(4.168) in significant fi...

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  20. How many significant figures are present in the following ? (i) 0.00...

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