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Which of the following is incorrect ?...

Which of the following is incorrect ?

A

During the fractional distillation of liquids air the components coming or first is `O_(2)`

B

Liquid oxygen is an oxidizer in rockets and missles

C

Dioxygen can be obtained form bleaching powered by heating with a cobalt salt.

D

`O_(2)^(+)` is called the dioxygenyl ion

Text Solution

Verified by Experts

The correct Answer is:
1
Since `O_(2)` has higher b.p.than `N_(2)` ,liquids `O_(2)(b.p90K)` is left behind while liquids `N_(2)(b.pt.77K)` is distilled first .
`2CaOCl overset(CO^(2+))rarr2CaCl_(2)+O_(2)`
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