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The function of the copper ll tetraoxosulphate ... - JAMB Chemistry 1993 Question

The function of the copper (ll)tetraoxosulphate (IV) in dilute H2SO4 in the figure above is to
A
dry the gas
B
absorb phosphine impurity
C
absorb ethene impurity
D
from an acetylide with ethyne
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Correct Option: B
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