Question

1 mole of manganese dioxide reacts with four moles of hydrochloric acid to give -
(a.) 2 moles of water, 2 moles of manganese chloride and 1 mole of chlorine gas
(b.) 2 moles of water, 1 mole of chlorine gas and 1 mole of manganese chloride
(c.) 1 mole of water, 1 mole of hydrogen and 1 mole of chlorine
(d.) 2 moles of water, 2 moles of hydrogen and 1 mole of manganese chloride

Answer 1

Answer : The correct option is, (b) 2 moles of water, 1 mole of chlorine gas and 1 mole of manganese chloride.

Explanation :

Balanced chemical reaction : It is defined as the number of atoms of individual elements present on reactant side must be equal to the product side.

The balanced chemical reaction will be:

$4HCl+MnO_2\rightarrow Cl_2+MnCl_2+2H_2O$

From this reaction we conclude that,

1 mole of manganese dioxide reacts with 4 moles of hydrochloric acid and react to give 1 mole of chlorine gas, 1 mole of manganese chloride and 2 moles of water.

Answer 2

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