Which of the following statement is not true about the drug barbital ?

Question : Which of the following statement is not true about the drug barbital ?

(1) It causes addiction.

(3) It is a tranquilizer.

(4) It is used in sleeping pills.

answer : The correct answer from all above options is “(2) It is a non-hypnotic drug. “

explanation of answer : hypnotic drugs are those substances which are used to enhance the quality of sleep , it means the hypnotic drugs are sleep induced medicines. and we know that barbital drug is a sedative drugs it means long time sleep inducing drugs. so we can say that barbital is a type of hypnotic drug . But the statement is given opposite of it. in short we can say Barbital is used as a hypnotic drug to reduce mental tension.