The concentration of ${{\rm{H}}_2}{{\rm{O}}_2}$ solution of ‘10 volume’ is

NEET UG CHEMISTRY MCQ: HYDROGEN

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The concentration of

{\mathrm{H}_2}{\mathrm{O}_2}

solution of ‘10 volume’ is

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Correct option: B

3\%

The concentration of a '10 volume' H2O2 solution is 3% because 1 volume of H2O2 gives 10 volumes of oxygen at STP.

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\mathrm{CaC}_2+\mathrm{H}_2 \mathrm{O} \longrightarrow \mathrm{Ca}(\mathrm{OH})_2+' \mathrm{X}\,'

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\mathrm{X}

\mathrm{Y}

{H_2}{O_2} \to 2{H^ + } + {O_2} + 2{e^ - };{E^0} = - 0.68V

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