The heat of neutralisation of four acids A, B, C and D when neutralised against a common base are 13.7,9.4 11.2 and 12.4 kCal respectively. The weakest among these acids is:

Question

The heat of neutralisation of four acids A, B, C and D when neutralised against a common base are 13.7,9.4 11.2 and 12.4 kCal respectively. The weakest among these acids is: (A) A (B) B (C) C (D) D

Tardigrade Admin · Accepted Answer

Some of the heat evolved during neutralization reaction is utilised to ionise the weak acid, this happen in the case of weak acid.

Thus; less heat is evolved. Hence; lower the value of heat of neutralization, weaker is the acid. Thus; B is the weakest acid.

Q. The heat of neutralisation of four acids A,B,C and D when neutralised against a common base are 13.7,9.4 11.2 and 12.4kCal respectively. The weakest among these acids is:

A

B

C

D

Some of the heat evolved during neutralization reaction is utilised to ionise the weak acid, this happen in the case of weak acid. Thus; less heat is evolved. Hence; lower the value of heat of neutralization, weaker is the acid. Thus; B is the weakest acid.

Q. The heat of neutralisation of four acids $A, B, C$ and $D$ when neutralised against a common base are 13.7,9.4 11.2 and $12.4 k C a l$ respectively. The weakest among these acids is:

Some of the heat evolved during neutralization reaction is utilised to ionise the weak acid, this happen in the case of weak acid.

Thus; less heat is evolved. Hence; lower the value of heat of neutralization, weaker is the acid. Thus; B is the weakest acid.