Question

a) Mineral acids are used in laboratory and vinegar is used as preservatives in pickles.
I) explain why vinegar is weak acid and HCL is strong acid ?
2) Compare vinegar with glacial acetic acid.
B)
I) Identify hydrophobic and hydrophilic part of soap .
2) Why are detergents harmful for environment where as soaps are not

Answer 1

Explanation:

vinegar consists less proportion of hydrogen and hydronium ions

vinegar is an normal liquid acid but glacial acetic acid is ethanoic acid in glacial form

detergents are non biodegradable

Answer 2

Answer:

A.1) vinegar is a weak acid because when it is dissolved in water it gives less number of hydrogen ions as compared as hydrochloric acid where as hydrochloric acid gives out large number of hydrogen ions when dissolved in water.

2) glacial acetic acid is a strong acid whereas vinegar has having acetic acid which is a weak acid.

B.2) detergents are harmful for environment because they are having a strong base or alkalis where as soaps are either having no base or are having a weak base.