Multiple choice

Which of the following pairs can form a dative covalent bond to each other? P. NH3 and H+ Q. CH4 and AlCl3 R. NH3 and BF3 S. H2O and H+

  1. P and Q

  2. Q and R

  3. P, Q and R

  4. P, R and S

  5. Q, R and S

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

NH3 and H+ form dative covalent bond: [H3N→H]+ CH4 and AlCl3 does not form dative bond because methane has no lone pair of electrons to share with AlCl3. NH3 and BF3 dative covalent bond: H3N→BF3