Question

3.
Equivalent volume of Co, in the following reaction
will be
Na, CO3 + HCl-NaCl + H2O + CO2
(1) 2.24 L
(2) 11.2L
(3) 44.8L
(4) 5.6 L​

Answer 1

Answer:

In this equstion the equivlent volume of co is 11.2 L

Answer 2

Equivalent volume of Co₂ is, (2) 11.2 L

Explanation :

The given balanced chemical reaction is:

$Na_2CO_3+2HCl\rightarrow 2NaCl+H_2O+CO_2$

Mass of carbon = 12 g

Mass of Oxygen = 16 g

Mass of $CO_2$ = 12+2(16) = 12+32  = 44 g

As we know that:

1 mole of Carbon dioxide occupy 22.4 L volume of gas.

Mass of carbon dioxide = 1 mole of carbon dioxide = 22.4 L

From the balanced chemical reaction we conclude that the carbonate change into carbon dioxide by losing 2 electrons.

Thus, there are 2 electrons involved in the oxidation-reduction  reaction.

The equivalent volume of carbon dioxide = $\frac{22.4}{n-factor}=\frac{22.4}{2}=11.2L$

Thus, the correct option is, (2) 11.2 L

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