When is an element a strong reducing agent?

When it easily loses electrons.

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When it easily gains electrons.

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When it reduces the volume of the reaction.

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When it easily loses protons.

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When it easily loses mass.

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Solution

The correct option is A When it easily loses electrons.
An element is a strong reducing agent when it easily loses electrons.

For example, the alkali metals are strong reducing agents.

$N a \to N a^{+} + e^{-}$

Thus sodium easily loses an electron and hence is a strong reducing agent.

Hence, the correct option is A.

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Similar questions

Choose the correct answer from the choices (a), (b), (c) and (d):
(i) The property which is characteristic of an electrovalent compound is that:
(a) it is easily vaporized
(b) it has a high melting point
(c) it is a weak electrolyte
(d) it often exists as a liquid.

(ii) When a metal atom becomes an ion:
(a) it loses electrons and is oxidised
(b) it gains electrons and is reduced
(c) it gains electrons and is oxidised
(d) it loses electrons and is reduced.

Choose the correct answer from the choices A, B, C and D :

(i) The property which is characteristic of an electrovalent compound is that :

A. it is easily vaporized,

B. it has a high melting point,

C. it is a weak electrolyte,

D. it often exists as a liquid.

(ii) When a metal atom becomes an ion :

A. it loses electrons and is oxidized,

B. it gains electrons and is reduced,

C. it gains electrons and is oxidized,

D. it loses electrons and is reduced.

(b) Choose the correct answer from the choices (A), (B), (C) and (D):
(i) The property which is characteristic of an electrovalent compound is that:
(A) it is easily vaporized
(B) it has a high melting point
(C) it is a weak electrolyte
(D) it often exists as a liquid
(ii) When a metal atom becomes an ion:
(A) it loses electrons and is oxidized
(B) it gains electrons and is reduced
(C) it gains electrons and is oxidized
(D) it loses electrons and is reduced
(iii) Which of the following hydroxides is not an alkali?
(A) ammonium hydroxide
(B) calcium hydroxide
(C) copper hydroxide
(D) sodium hydroxide

Q. When a neutral atom loses an electron, it is called _____ and when it gains an electron, it is called _____.

Q. Which group elements lose electrons easily?

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