An element $X$ reacts with hydrogen, when heated to form a 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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chloride

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phosphorus

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Solution

The correct option is B sulphur
Hydrogen sulfide ( $H_{2} S$ ) has rotten egg smell. So, from question $H_{2} X$ must be $H_{2} S$ ) which means X is sulphur. $H_{2} S$ is a covalent hydride because it contains 2 covalent bonds between S and H.

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Similar questions

Q. 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:

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.

Q. Assertion : An element X with the electronic configuration

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

H_{2} X

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

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

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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:

The correct option is B sulphurHydrogen sulfide (H2S) has rotten egg smell. So, from question H2X must be H2S) which means X is sulphur. H2S is a covalent hydride because it contains 2 covalent bonds between S and H.

An element $X$ reacts with hydrogen, when heated to form a 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
Hydrogen sulfide ( $H_{2} S$ ) has rotten egg smell. So, from question $H_{2} X$ must be $H_{2} S$ ) which means X is sulphur. $H_{2} S$ is a covalent hydride because it contains 2 covalent bonds between S and H.