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During developing of an exposed camera, ...

During developing of an exposed camera, film one step involves in the following reaction,
,brgt Which of the following best describes the role of hydroquinol?

A

It acts as an acid

B

It acts as reducing agent

C

It acts as oxidant

D

It acats as a base

Text Solution

Verified by Experts

The correct Answer is:
B
`Ag^(+)+erarrAg`, Hydroquinol reduces `Ag^(+)` to `Ag`
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P BAHADUR-REDOX REACTIONS-Exercise 3(A) Objective problems
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  2. In a reaction, 4 mole of electrons are transferred to 1 mole of HNO(3)...

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  3. During developing of an exposed camera, film one step involves in the ...

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  4. The ratio of equivalent weights of C(2)H(5)OH in the following reactio...

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  5. An element A in a compound ABD has oxidation number A^(n-). It is oxi...

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  6. N(2) + 3 H(2) rarr 2NH(3) Molecular weight of NH(3) and N(2) are x(1...

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  7. Equivalent weight of FeC(2)O(4) during its reaction with KMnO(4) is:

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  8. The no.of electrons involved in the change, Fe(3)O(4)rarrFe(2)O(3):

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  9. How many gram of I(2) are present in a solution which requires 40 mL o...

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  10. What weight of FeSO(4) ( mol.wt. =152) will be oxidised by 200 mL of n...

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  11. 25 mL of 0.50M H(2)O(2) solution is added to 50 mL of 0.20 M KMnO(4) i...

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  12. What volume of O(2) measured at standard condition will be formed by t...

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  13. The number of Fe^(2+) ion oxidised by one mole of MnO(4)^(-) ions is:

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  14. What mass of HNO(3) is needed to convert 5g of the iodine into iodic a...

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  15. Number of K^(+) ions present in one litre of M//5KMnO(4) solution are:

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

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  17. What volume of 3 molar HNO(3) is needed to oxidise 8 g of Fe^(3+), HNO...

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  18. Given that 50 0 mL of 0.01M Na(2)S(2)O(3) solution and 5xx10^(-4) mole...

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  19. Given that 50 0 mL of 0.01M Na(2)S(2)O(3) solution and 5xx10^(-4) mole...

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  20. Given that 50 0 mL of 0.01M Na(2)S(2)O(3) solution and 5xx10^(-4) mole...

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