An element of group 14 forms two oxides one of which is highly poisonous and neutral. Other oxide can be easily liquefied and compressed to give a solid which is used as a refrigerant under the name of drikold. The element and the oxides are ?

S i, S i O, S i O_{2}

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P b, P b O, P b O_{2}

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C, C O, C O_{2}

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S n, S n O, S n O_{2}

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Solution

The correct option is C $C, C O, C O_{2}$
Answer:- (C) $C, C O, C O_{2}$
Since, drikold is solid carbon-di-oxide.
Thus, the element is carbon and the two oxides are $C O & C O_{2}$ .
$C O$ is neutral and poisonous. $C O_{2}$ can be compressed to a refrigerant dry ice or solid $C O_{2}$ .

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Similar questions

P b O_{2} \to P b O

Δ G_{298} < 0

S n O_{2} \to S n O

Δ G_{298} > 0

P b

S n

P b O_{2}

P b O Δ G_{298} < 0

S n O_{2}

S n O

Δ G_{298}

Consider the reactions;

P b O_{2} \to P b O, Δ G_{298} < 0;

$S n O_{2} \to S n O, Δ G_{298} < 0$

The most probable oxidation state of $P b$ and $S n$ will be :

C O, C O_{2}, N a_{2} O, P b O_{2}, P b O, S n O, G e O_{2}, G e O

C O_{2}, S n O_{2}, P b O, P b O_{2}, P b_{3} O_{4}, A l_{2} O_{3}

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