Question

Why causes the dissolution of common salt (NaCl) in water?

• A. Density of water
• B. Polar effect of NaCl
• C. Polar effect of water
• D. Crystalline character of NaCl

Answer 1

Answer: (C)

Polar effect of water

Due to polar effect of water

Water pulls the positive ions ${Na}^{+}$ from the negative ions ${Cl}^{-}$ because water has polar positive $H^{+}$ and negative $O^{2-}$ ends.