First slide

Hydrogen

Question

What type of redox reaction is
$Zn + 2 H^{+} \overset{}{\to} {Zn}^{2 +} + H_{2} ?$

Easy

A

Double decomposition reaction
B

Displacement reaction
C

Combination reaction
D

None of these

Solution

H₂ is displaced from HCl by Zn.
$Zn + 2 HCl \overset{}{\to} {ZnCl}_{2} + H_{2}$

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