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Q.

Sodium azide $N a N_{3}$ decomposes explosively to sodium metal and nitrogen gas and is used in automobile airbags
$2 N a N_{3} \to 2 N a + 3 N_{3}$ , Azide ion is isoelectronic to

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a

CO

b

NO

c

C O_{2}

d

H_{2} O

answer is C.

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Detailed Solution

no. of electrons in azide is 22.

$C O_{2}$ contains 22 $\bar{e}$ .

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Sodium azide NaN3 decomposes explosively to sodium metal and nitrogen gas and is used in automobile airbags2NaN3→2Na+3N3 , Azide ion is isoelectronic to