NEET UG CHEMISTRY MCQ: S-BLOCK ELEMENTS

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When sodium chloride solution is electrolysed, the gas that is liberated at the cathode is

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Correct option: C

Hydrogen

Option C is correct because during the electrolysis of aqueous sodium chloride, water is reduced at the cathode to produce hydrogen gas and hydroxide ions.

More Questions from S-BLOCK ELEMENTS

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Which of the following exists in polymeric form? If 5 moles of

\mathrm{BaCl}_{2}

is mixed with 2 moles of

\mathrm{Na}_{3} \mathrm{PO}_{4}

, the maximum number of moles of

\mathrm{Ba}_{3}\left(\mathrm{PO}_{4}\right)_{2}

formed is ________ (Nearest integer) Alkali metal superoxides are obtained by the reaction of Pearl ash and caustic potash are chemically: What is product of reaction :

\underset {\text{(dilute)}}{Ba(OH)_2}+H_2O_2+ClO_2 \longrightarrow

Which among the following elements has the tendency to form covalent compounds.