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CHEMISTRY CH13 Chemical Bonding — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9ScienceCHEMISTRY CH13 Chemical Bonding1 Mark
Question
N in NH3
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Answer

 NH3
1(N) + 3 (H) = 0
x + 3 (-1) = 0
x – 3 = 0
x = +3
Oxidation number of N in NH3 is +3

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