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प्रश्न
The valency of nitrogen in nitrogen dioxide.
पर्याय
+1
+3
+4
MCQ
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उत्तर
+4
Explanation:
In nitrogen dioxide (NO2), since each of the two oxygen atoms has a valency of −2, nitrogen must balance it with a valency of +4.
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पाठ 1: The Language of Chemistry - For Additional High Order Thinking Questions [पृष्ठ १७]
