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Byju's Answer

Standard XII

Chemistry

Reductions Involving Aldehydes or Ketones

Among Mg, Cu,...

Question

Among Mg, Cu, Fe, Zn, the metal that does not produce hydrogen gas in reaction with hydrochloric acid is.

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Solution

The correct option is A
Cu

Metals having more standard reduction potential than H+ /H $_{2}$ (g) can't produce H $_{2}$ (g) in acidic medium.

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Similar questions

The following elements are listed in order of decreasing reactivity as they appear in the reactivity series.

N a, C a, M g, Z n, F e, H, C u, H g, A g, A u

Of the following, the element that does NOT react with dilute hydrochloric acid to produce hydrogen gas is _______.

Q. Elements are given in order of decreasing reactivity according to electrochemical series.

C a, N a, M g, Z n, F e, H, C u, H g, A g, A u

Which element cannot give any reaction with hydrochloric acid to produce hydrogen gas?

L i

K

C a

N a

M g

A l

Z n

F e

P b

C u

H g

A g

Which metal will displace hydrogen from acids but not water?

Which metal is considered best for protecting the other metal?

$E {^{0}}_{F e^{2 +} / F e} = - 0.44 V, E {^{0}}_{Z n^{2 +} / Z n} = - 0.76 V$
$E {^{0}}_{M g^{2 +} / M g} = - 2.37 V, E {^{0}}_{C u^{2 +} / C u} = - 0.34 V$

L i

K

C a

N a

M g

A l

Z n

F e

P b

C u

H g

A g

I

. The reaction

Z n (s) + C u {({N O}_{3})}_{2} (a q) \to C u (s) + Z n {({N O}_{3})}_{2} (a q)

will occur.

I I

. Zinc and copper are both transition metals.

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Among Mg, Cu, Fe, Zn, the metal that does not produce hydrogen gas in reaction with hydrochloric acid is.

The correct option is A Cu Metals having more standard reduction potential than H+ /H2(g) can't produce H2(g) in acidic medium.

The correct option is A
Cu

Metals having more standard reduction potential than H+ /H $_{2}$ (g) can't produce H $_{2}$ (g) in acidic medium.