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The bond angles of NH₂⁻, NH₃, and NH₄⁺ are in the order:
A
NH₂⁻ > NH₃ > NH₄⁺
B
NH₄⁺ > NH₃ > NH₂⁻
C
NH₃ > NH₂⁻ > NH₄⁺
D
NH₃ > NH₄⁺ > NH₂⁻
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