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प्रश्न
State the valence of nitrogen in NO2.
लघु उत्तरीय
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उत्तर
NO2 = 
interchanging the subscript and writing it as superscript.
`"N"^2"O"^1` but valency of O is 2.
∴ Multiplying by 2.
`"N"^(2 xx 2) "O"^(1 xx 2) = "N"^4"O"^2`
∴ Valency of nitrogen is 4.
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अध्याय 1: The Language of Chemistry - For Additional High Order Thinking Questions [पृष्ठ १४]
