Q.
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a
Cu in Cu3P is oxidised to Cu2+ whereas P in Cu3P is also oxidised to PO43−
b
Cu in Cu3P is oxidised to Cu2+ whereas P in Cu3P is reduced to H3PO4
c
In the conversion of Cu3P to Cu2+ and H3PO4, 11 electrons are involved
d
the value of x is 6
answer is A.
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