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Which of the following is a redox reacti...

Which of the following is a redox reaction?

A

`CaCO_(3)toCaO+CO_(2)`

B

`H_(2)+Cl_(2)to2HCl`

C

`CaO+2HCl toCaCl_(2)+H_(2)O`

D

`NaOH+HCl toNaCl+H_(2)O`

Text Solution

Verified by Experts

The correct Answer is:
B
`H_(2)` is oxidised to `H^(+)` while `Cl_(2)` is reduced to `Cl^(-)`.
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  2. A dilute solution of sodium carbonate was added to two test tubes - on...

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  4. In the reaction, H(2)S+H(2)O(2)toS+2H(2)O

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  5. Which of the following is true regarding dissolution of NH(4)Cl in wat...

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  6. In which of the following chemical equations, the abbreviations repres...

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  8. Which of the following shows the given reactions in the increasing ord...

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  9. Which of the following is a redox reaction?

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  10. Given E("Cr(2)O(7)^(2-)//Cr^(3+))^(@)=1.33V,E(MnO(4)^(-)//Mn^(2+))^(@)...

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  11. Which of the following reactions evolves heat?

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  12. Which of the following is not a thermal decomposition reaction?

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  14. Three beakers labelled as A, B and C each containing 25 mL of water we...

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  15. When the ion Cr(2)O(7)^(2-) acts as an oxidant in acidic aqueous solut...

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  16. Which is a double displacement as well as neutralisation reaction?

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