WAEC Chemistry 2014 Objective — Question 11

Question 11 of 50 from the West African Examinations Council (WAEC) Chemistry 2014 Objective paper, with the correct answer and a full explanation.

NH₄⁺ is formed from NH₃ and H⁺ by

A. covalent bonding
B. dative bondingCorrect
C. hydrogen bonding
D. ionic bonding

Explanation

NH3 and H+ are linked by a dative (coordinate) covalent bond to form the ammonium ion, NH4+; the nitrogen atom donates both electrons of the shared pair, so NH3 is the donor.

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