Question

Compounds with antiseptic properties are ............
(a) $CHC{l}_3$
(b) $CH{l}_3$
(c) boric acid
(d) 0.3 ppm aqueous solution of $C{1}_2$

Answer 1

Answers: (b) and (c).

Antiseptics are the chemical substances which either kill or prevent the growth of microorganisms
(a) $CHC{l}_3$ (chloroform) was used as an anaesthesia in surgery but now it is used in the production of the freon refrigerant r-22.
(b) Iodoform $\left(CH{I}_3\right)$ produces iodine on coming in contact with skin, so it is used as an antiseptic for the wound.
(c) Boric acid $\left(H_{3}B{O}_3\right)$ in dilute aqueous solution is a weak antiseptic for eyes. Thus, chemical messenger gives a message to the all without entering the cell.
(d) Chlorine in the concentration of 0.2 to 0.4 ppm in aqueous solution and sulphur dioxide in very low concentrations are disinfectants.