Question

what essential properties characterize a standard acid?

Answer 1

Answer.

1. Acids undergo neutralisation Reactions when reacted with a base, to form salt and water.

2. Acids have a sour taste, stinging feel and a sharp odour.

3. Litmus paper turns red in acidic conditions and blue in basic conditions. Phenolphthalein purple is colorless in acidic solutions.

4. Acids react with alcohols to form sweet fruity smelling esters.

5. Acids react with metals to form/liberate hydrogen gas.

5. Reaction of acids with metal carbonates leads to formation/liberation of Carbon dioxide.

6. All acids have a pH of 6.9 or lower.

7. More H⁺ , stronger the acid.