When one mole of bleaching powder is completely decomposed in presence of ${\rm{C}}{{\rm{O}}_2}$ then the mass of chlorine gas that is liberated will be:

NEET UG CHEMISTRY MCQ: P-BLOCK ELEMENTS

1 Hard

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When one mole of bleaching powder is completely decomposed in presence of

\mathrm{C}{\mathrm{O}_2}

then the mass of chlorine gas that is liberated will be:

View answer and explanation

Correct option: B

70.90 g

Option B (70.90 g) is correct because one mole of bleaching powder (

CaOCl_2

) upon decomposition with

CO_2

liberates one mole of chlorine gas (

Cl_2

), which has a molar mass of 70.90 g/mol.