Section D: Give a long answer to the question given below.  

Differentiate between reversible and irreversible reactions.
 
Reversible reaction:
 
i. It can be  .
ii. reactions occur.
iii. It attains .
iv. Reactants completely converted to products. 
v. It is a .
vi. This is .
vii. This reaction is represented by .
 
Irreversible reaction:
 
i. It cannot be.
ii. It is . It occurs only in the .
iii. It does not attain.
iv. Reactants completely converted to products.
v. It is a .
vi. This is .
vii. This reaction is represented by .