Question

if 9.8 GM's , of H2SO4 is neutralised exactly with strong alkali , the heat evolved ( ∆H of neutralization is 13.6 K.cal​

Answer 1

Answer:

2.72 KCAL

Explanation:

H  

2

​  

SO  

4

​  

→2H  

+

+SO  

4

2−

​  

 

9.8 gms =  

98

9.8

​  

=0.1 mole of H  

2

​  

SO  

4

​  

 = 0.2 mole of H  

+

 ion in aqueous medium

ΔH of neutralization is 13.6 kcal.

The heat evolved =0.2×13.6=2.72 kcal