Which of the following is the chemical formula of hydrogen sulfide

H_{2} S

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H S

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H S_{2}

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None of the above

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Solution

The correct option is A $H_{2} S$
The chemical formula of hydrogen sulfide is $H_{2} S$
Hence option A is correct.

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Similar questions

Substance	$k_{a}$
Hydrogen carbonate ion (bicarbonate ion) $H C O_{3}^{-}$	$4.8 \times 10^{- 11}$
Hydrogen phosphate ion $H P O_{4}^{- 3}$	$3.6 \times 10^{- 13}$
Water $H_{2} O$	$1.0 \times 10^{- 14}$
Hydrogen sulfide ion $H S^{-}$	$1.0 \times 10^{- 19}$

Write down the formulae of the following compounds:

(i) Potassium oxide

(ii) Aluminium Nitride

(iii) Hydrogen sulfide

(iv) Calcium hydroxide

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