The number of non-ionisable hydrogen atoms present in the final product obtained from the hydrolysis of PCl5 is :

Chalcogen group elements are :

In which one of the following molecules strongest back donation of an electron pair from halide to boron is expected?

In polythionic acid, H2SxO6 (x = 3 to 5) the oxidation state(s) of sulphur is/are :

Which one of the following is formed (mainly) when red phosphorus is heated in a sealed tube at 803 K?

Which one of the following correctly represents the order of stability of oxides, X2O; (X = halogen)?

The number of S = O bonds present in sulphurous acid, peroxodisulphuric acid and pyrosulphuric acid, respectively are :

The oxide without nitrogen-nitrogen bond is :

The functions of antihistamine are :

With respect to drug-enzyme interaction, identify the wrong statement.

Match List - I with List - II. List - I Chemical Compound List - II Used as (a) Sucralose (i) Synthetic detergent (b) Glyceryl ester of stearic acid (ii) Artificial sweetener (c) Sodium benzoate (iii) Antiseptic (d) Bithionol (iv) Food preservative Choose the correct match :

Match the list - I with list - II List - I (Class of Drug) List - II (Example) (a) Antacid (i) Novestrol (b) Artificial sweetener (ii) Cimetidine (c) Antifertility (iii) Valium (d) Tranquilizers (iv) Alitame

Match List - I with List - II : List - I (Class of Chemicals) List - II (Example) (a) Antifertility drug (i) Meprobamate (b) Antibiotic (ii) Alitame (c) Tranquilizer (iii) Norethindrone (d) Artificial Sweetener (iv) Salvarsan Choose the most appropriate match :

Green chemistry in day-to-day life is in the use of :

Sodium stearate CH3(CH2)16COO$$-$$Na+ is an anionic surfactant which forms micelles in oil. Choose the correct statement for it from the following :

Which one of the following chemical agent is not being used for dry-cleaning of clothes?

Match List - I with List - II : List-I (Drug) List-II (Class of Drug) (a) Furacin (i) Antibiotic (b) Arsphenamine (ii) Tranquilizers (c) Dimetone (iii) Antiseptic (d) Valium (iv) Synthetic antihistamines Choose the most appropriate match :

Given below are two statements : Statement I : Penicillin is a bacteriostatic type antibiotic. Statement II : The general structure of Penicillin is : Choose the correct option :

The class of drug to which chlordiazepoxide with above structure belongs is :

The correct statement about (A), (B), (C) and (D) is :