True regarding Acetazolamide

Q-7. True regarding Acetazolamide is: (NEET Based)
a) Irreversible inhibitor of carbonic anhydrase
b) Structural resemblance to sulfonamides
c) It decreases potassium excretion
d) It cause metabolic alkalosis

Answer: Structural resemblance to sulfonamides
Explanation:
See above explanation.