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When zinc metal is added to dilute H(2)S...

When zinc metal is added to dilute `H_(2)SO_(4)` solution, hydrogen is evolved. In this zinc undergoes

A

Reduction

B

Oxidation

C

Dissolution

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
B
`Zn rarr Zn^(2+)+2e`
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DINESH PUBLICATION-REDOX REACTIONS-MCQs
  1. When zinc is added to CuSO(4) solution, copper is precipitated. It is ...

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  2. The process in which oxidation number increase, is

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  3. When zinc metal is added to dilute H(2)SO(4) solution, hydrogen is evo...

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  4. In which of the following, oxidation number of chloride is +5 ?

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  5. Carbon has zero oxidation number in

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  6. The oxidation number of C in sucrose (C(12)H(22)O(11)) is

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  7. In the reaction 3Br(2)+6CO(3)^(2-)+3H(2)Orarr5Br^(ө)+BrO(3)^(ө)+6HCO...

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  8. The oxidation number, of C in CH(4). CH(3)CI, CH(2)CI(2), CHCl(3) and ...

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  9. Chlorine is in +3 oxidation state in

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  10. Oxidation number of Mn in K(2)MnO(4) is

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  11. A student states that burning of lime in air is an oxidation process. ...

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  12. For the following reaction in the acidic solution MnO(4)^(-)+8H^(+)+5e...

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  13. In which of the following compounds iron has lowest oxidation state?

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

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  15. The most common oxidation state of an element is -2. The number of ele...

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  16. In which of the following oxidation number of chlorine is +5 ?

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  17. The oxidation nunber of P in HP(2)O(7)^(-) ion is

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  18. The oxidation number of Fe in [Fe(CN)(6)]^(3-) ion is

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  19. The oxidation number of Mn is +7 in

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  20. A compound contains atoms X, Y and Z. The oxidation number of X is +3,...

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