A) It is weaker acid than acetic acid
B) It is reducing agent
C) When its calcium salt is heated, it forms a ketone
D) It is an oxidising agent
Correct Answer: B
Solution :
Formic acid also act as a reducing agent as it can reduce Tollens reagent, Fehling solution, mercuric chloride and \[\text{KMn}{{\text{O}}_{\text{4}}}\]etc.
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