Under what vapour pressure of moisture in atmospheric condition CuSO 4 .5H 2 O will be…
Chemistry · JEE Main · NTA Exams — Equilibrium
Under what vapour pressure of moisture in atmospheric condition CuSO4.5H2O will be efflorescent?
\({\mathrm{Cu} 5 \mathrm{O}_{4}} .5 \mathrm{H}_{2} \mathrm{O}(5) \div \mathrm{CuSO}_{4} .3 \mathrm{H}_{2} \mathrm{O}(5)+2 \mathrm{H}_{2} \mathrm{O}(\mathrm{~g})\), KP = 64 mm2 of Hg
- < 64 mm Hg
- < 32 mm Hg
- < 16 mm Hg
- < 8 mm Hg
Answer
(D) < 8 mm Hg
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