When the species NH4+, H3O+, and H2F+ are arranged in order of increasing H–X–H bond angles, what is the correct order? | Bonding

Question

When the species NH⁴⁺, H₃O⁺, and H₂F⁺ are arranged in order of increasing H–X–H bond angles, what is the correct order?

H₃O⁺ < NH⁴⁺ < H₂F⁺

H₂F⁺ < H₃O⁺ < NH⁴⁺

✓ Correct

NH⁴⁺ < H₂F⁺ < H₃O⁺

NH⁴⁺ < H₃O⁺ < H₂F⁺

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