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Reactivity Series

Out of Al, ...

Question

Out of $A l$ , $Z n$ and $A g$ , only _________ cannot displace hydrogen from dil. $H C l$ .

Z n

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A l

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A g

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none of these

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Solution

The correct option is A $A g$
$A l$ and $Z n$ are present at the top of activity series, so they react readily with acids. While $A g$ comes at the bottom of the series, so it cannot displace hydrogen from dilute hydrochloric acid.

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Similar questions

Out of the following, which metal cannot displace hydrogen gas from dil $H C l$ or dil $H_{2} S O_{4}$ ?

L i

K

C a

N a

M g

A l

Z n

F e

P b

C u

H g

A g

A l / {A l}^{3 +} a n d A g / {A g}^{+}

H_{2}

+

+

+

+

H C l

A l / A l^{3 +}

A g / A g^{+}

2.46 V

+ 0.80 V

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