The best reducing agent among the following is:

{A g}^{+}

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{Z n}^{2 +}

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{C r}^{3 +}

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I^{-}

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Solution

The correct option is B ${A g}^{+}$
1) $A g^{+}$ is a reducing agent.
2) Reducing agents tend to give away electrons. So, all the $s -$ block metals are good reducing agents.
3) Reducing agents have the opposite effect of measuring agents that strengthen.
4) The reducing agent loses electrons, is oxidized and causes the other reactant to be reduced by giving it electrons.
5) $A g^{+}$ easily gives electrons compared to the $Z n_{2}^{+}, C r_{3}^{+}, I^{-}$ .

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Similar questions

E_{C l_{2} / C l^{-}}^{o} = 1.36 V, E_{C r^{3 +} / C r}^{\circ} = - 0.74 V

E_{C r_{2} O_{7}^{2 -} / C r^{3 +}}^{o} = 1.33 V, E_{M n O_{4}^{-} / M n^{2 +}}^{o} = 1.51 V

C u^{2 +} / C u; Z n^{2 +} / Z n; L i^{+} / L i; A g^{+} / A g

H^{+} / H_{2}

+ 0.34 V, - 0.762 V, - 3.05 V, + 0.80 V

0.00 V

E_{C l_{2} / C l^{-}}^{\circ} = 1.36 V, E_{C r^{3 +} / C r}^{\circ} = - 0.74 V

E_{C r_{2} / O_{7}^{2 -} / C r^{3 +}}^{\circ} = 1.33 V, E_{M n O_{4}^{-} / M n^{2 +}}^{\circ} = 1.51 V

A l, A g, N i

(A l = - 1.66 v) (A g = + 0.80 v) (N i = - 0.25 v)

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