Amines

Question 1

Statement 1: Two biologically active compounds, namely adrenaline and ephedrine, both containing secondary amino group, are used to increase blood pressure.
Statement 2: Novocain, a synthetic amino compound, is used as an anaesthetic in dentistry

Answer 1

Both are correct

Question 2

Statement 1 Benadryl, a well known antihistaminic drug also contains tertiary amino group.
Statement 2: Quaternary ammonium salts are used as surfactants.

Answer 2

Both are correct

Question 3

Statement 1: The lower aliphatic amines are gases with fishy odour. Statement 2: Primary amines with three or more carbon atoms are liquid and still higher ones are solid

Answer 3

Both are correct

Question 4

Statement 1: Benzenediazonium chloride is a colourless crystalline solid. It is readily soluble in water and is stable in cold but reacts with water when warmed.
Statement 2: It decomposes easily in the dry state.
Statement 3: Benzenediazonium fluoroborate is water insoluble and stable at room temperature.

Answer 4

All statements are correct