I thought this rule only applied to Halogens? ssignment 19 Chap 4: Redox Reactio

Question

I thought this rule only applied to Halogens?

ssignment 19 Chap 4: Redox Reactions and Activity Series oblem 4.50 Enhanced with Feedback 3 of 8 Part D Constants Perisdic Table Deterrnine the oxidalion rumber (cxidation state) N in GaN for the indicated element in each of the following compounds. Express your answer as an integer You may want to -3 roference (Pages 137-144) Section 44 while completing this probiem Correct n GaN, N is more electronagative than Ca. Therofore, N has a oxidalion state at-3 and Ga has an oxidation state cf+3, whic praduoss a neutral compound (-a+3-0 Part E

Explanation / Answer

number of valence electrons in N atom = 5 and N is more electronegative.

Hence N accept 3 electrons to get octet fulfilled.

Hence

N + 3e ........> N3- (nitride ion)

Hence considering the octet rule and valence electrons the oxidation number of N is -3.

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