Electrovalency and covalency - Jamb Chemistry Past Questions and Answers

Question 1:

• JAMB 2019

When ammonia and hydrogen ion bond together to form ammonium ion, the bond formed is called

A. Ionic bond
B. Electrovalent bond
C. Covalent bond
D. Co-ordinate bond
E. Hydrogen bond

Question 2:

• JAMB 1978

When ammonia and hydrogen ion bond together to form ammonium ion, the bond formed is called

A. Ionic bond
B. Electrovalent bond
C. Covalent bond
D. Co-ordinate bond
E. Hydrogen bond

Question 3:

• JAMB 2002

Which of the following chloride would exhibit the least ionic character?

A. MgCl₂
B. CaCl₂
C. LiCl
D. AlCl₃