To obtain pure carbon(ii)oxide from its mixture with carbon(iv)oxide, the mixture should be?
-
A.
Passed over heated copper(ii)oxide -
B.
Bubbled through water -
C.
Bubbled through conc H(_2)SO(_4) -
D.
Bubbled through conc NAOH
Correct Answer: Option D
Explanation
carbon(ii)oxide is prepared from carbon(iv)oxide by passing the latter through red-hot carbon and the unchanged CO(_2) is removed when the mixture of the gases through conc NAOH.
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