Question

2 HgS + XO2 arrow YHgO + 2SO2 in the above reaction X and Y are​

Answer 1

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Answer 2

In the given reaction $\[2HgS + X{O_2} \to YHgO + 2S{O_2}\]$, X and Y are 3 and 2 respectively.

Explanation:

• A balanced chemical reaction is a reaction in which the number of atoms of all the elements present in the reactants on the reactant side is equal to the the number of atoms of all the elements present in the products on the product side.
• In the given reaction, $\[HgS\]$ reacts with oxygen to give $\[HgO\]$ and sulphur dioxide.
• The number of atoms of all the elements on both sides must be equal.
• Therefore, to balance $Hg$ atoms on both sides, out 2 as coefficient before $HgO$ .
• To balance oxygen atoms, put 3 as coefficient before $\[{O_2}\]$.
• Thus, the chemical equation becomes $\[2HgS + 3{O_2} \to 2HgO + 2S{O_2}\]$. Now all the atoms of all the elements are balanced on both sides.
• From the balanced equation, we have the values of X and Y as $X=3$ and $Y=2$.