JAMB - Chemistry (2023 - No. 44)
Which of the following compounds is an example of an electrovalent bond?
NaCl (sodium chloride)
CO2 (carbon dioxide)
H2O (water)
CH4 (methane)
Explication
NaCl, commonly known as sodium chloride or table salt, is an example of an electrovalent bond. Sodium (Na) donates one electron to chlorine (Cl), resulting in the formation of Na+ and Cl- ions, which are held together by the ionic bond.