A brownsubstance "X: on heating in air forms substance "Y". When hydrogen gas is passed over heated "Y" it again changes back into "X"
(a) name the subastance X and Y
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Answered by
1
x is copper , y is copper oxide
{cu + o2 gives 2cu
and then cuo + h2 gives cu+ h2o}
{cu + o2 gives 2cu
and then cuo + h2 gives cu+ h2o}
Answered by
2
cu + o2 = 2cu
cuo + h2 = cu+ h2o
therefore
x is copper , y is copper oxide
cuo + h2 = cu+ h2o
therefore
x is copper , y is copper oxide
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