An element $X$ reacts with hydrogen, when heated, to form covalent hydride $H_{2} X$ . If $H_{2} X$ has a smell of rotten eggs, the element $X$ is likely to be:

Carbon

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Sulphur

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Chlorine

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Phosphorous

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Solution

The correct option is B Sulphur
We know that, smell of $H_{2} S$ is like rotten eggs. So, from question $H_{2} X$ is $H_{2} S$ , which means $X$ is sulphur. $H_{2} S$ is covalent hydride because it contains covalent bonds between $S$ and $H$ .

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Similar questions

Q. An element X reacts with hydrogen, when heated, to form a covalent hydride H₂X. If H₂X has a smell of rotten eggs, the element X is likely to be:
(a) carbon
(b) sulphur
(c) chlorine
(d) phosphorus

An element X reacts with hydrogen, when heated, to from a covalent hydride $H_{2} X .$ If $H_{2} X$ has a smell of notten eggs, the element X is likely to be:

Q. An element X forms the following compounds with hydrogen, carbon and oxygen :

H₂X, CX₂, XO₂, XO₃

State the three valencies of element X which are illustrated by these compounds.

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1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{4}

can be expected to form a compound of the type

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Reason : Two additional electrons fill the valence shell of an element with outer electronic configuration

3 s^{2} 3 p^{4}

Identify the Gas C has an offensive smell like rotten eggs.

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An element X reacts with hydrogen, when heated, to form covalent hydride H2X. If H2X has a smell of rotten eggs, the element X is likely to be:

The correct option is B SulphurWe know that, smell of H2S is like rotten eggs. So, from question H2X is H2S, which means X is sulphur. H2S is covalent hydride because it contains covalent bonds between S and H.

An element $X$ reacts with hydrogen, when heated, to form covalent hydride $H_{2} X$ . If $H_{2} X$ has a smell of rotten eggs, the element $X$ is likely to be:

The correct option is B Sulphur
We know that, smell of $H_{2} S$ is like rotten eggs. So, from question $H_{2} X$ is $H_{2} S$ , which means $X$ is sulphur. $H_{2} S$ is covalent hydride because it contains covalent bonds between $S$ and $H$ .