The elements present in mercuric oxide are:

NaCl₂

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KCl

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NaCl₃

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KCl₄

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Solution

The correct option is B
KCl

The elements present in mercuric oxide are mercury(Hg) and oxygen(O). The molecular formula is HgO i.e. one atom of mercury (Hg) and one atom of oxygen (O).

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Similar questions

Complete the following:

Lavoisier, a French chemist, on the basis of quantitative studies, classified substances into elements and compounds. He showed that when mercuric oxide is heated, it changes into …………… and ………………. .

Mercuric Oxide

Mercuric oxide is a compound because it decomposes into …………………. substances. But mercury and …………….. cannot be further decomposed into simpler substances hence they are ……………… .

The colour of mercuric oxide is:

Q. What happens when mercuric oxide is heated in a clean and dry test tube?

Q. The decomposition of mercuric oxide (

H g)

) on heating, resulting in the formation of mercury and oxygen, is represented by the following chemical equation-

2 H g O + 180 k J ⟶ 2 H g + O_{2}

Which one of the following represents the heat of formation of mercuric oxide?

State the given statement is true or false.

Statement: Mercuric oxide is reduced by thermal decomposition.

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The elements present in mercuric oxide are:

The correct option is B KCl The elements present in mercuric oxide are mercury(Hg) and oxygen(O). The molecular formula is HgO i.e. one atom of mercury (Hg) and one atom of oxygen (O).

The correct option is B
KCl

The elements present in mercuric oxide are mercury(Hg) and oxygen(O). The molecular formula is HgO i.e. one atom of mercury (Hg) and one atom of oxygen (O).