In which of the following reactions, reaction of silver with the given acids lead to the formation of compound & silver, along with liberation of gas?

In which of the following reactions, reaction of silver with the given acids lead to the formation of compound of silver, along with liberation of gas?

In which of the following reactions hydrogen gas is liberated ?

Which of the following reaction(s) is/are incorrect for silver nitrate?

Which of the following reaction(s) is/are incorrect for silver nitrate?

HVZ reaction of acetic acid leads to the formation of

Which of the following reactions leads to the formation of borazine?

Which of the following reaction leads to the formation of bezonitrile?