Question

Difference between strong acid and weak acid.

Answer 1

Strong acid	Weak acid
1. Strong acids ionise completely in an aqueous solution.	1. Weak acids ionise partially in an aqueous solution.
2. It always loses H+, when dissolved in water.	2. It loses less H+, when dissolved in water.
3. It possess high conductivity due to the presence of the unpaired atoms.	3. It possesses low conductivity due to the presence of fewer unpaired atoms.
4. Degree of dissociation value is higher.	4. Degree of dissociation value is lower.
5. It contains ionic bonds.	5. It contains covalent bonds.
6. Example, $\mathrm{HCl},{\mathrm{H}}_2{\mathrm{SO}}_4$ etc.	6. Example, ${\mathrm{CH}}_3\mathrm{COOH},{\mathrm{H}}_3{\mathrm{PO}}_4$ etc.