Question

Citric acid, formic acid, lactic acid, nitric acid)find odd man out

Answer 1

Nitric acid as its not organic acid

Answer 2

Nitric Acid is odd one out.

Reason :

Nitric Acid is the strongest and highly corrosive mineral acid amongst all.

Citric acid is found in Citrus fruits.

Formic acid is found in Ant sting.

Lactic acid is found in Human body.

They all are organic acids where as Nitric acid is inorganic acid