Chemistry questions
29404 published questions with worked solutions.
- The relation between n_m, (n_m = the number of permissible values of magnetic quantum number (m)) for a given value of azimuthal...
- The conductivity of centimolar solution of KCl at 25^ is 0.0210 ohm^ -1 cm^ -1 and the resistance of the cell containing the...
- Which amongst the following molecules on polymerization produces neoprene?Not in JEE Main or NEET syllabus
- Amongst the following the total number of species NOT having eight electrons around central atom in its outermost shell, is NH_3,...
- Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R : Assertion A : Metallic...Not in JEE Main or NEET syllabus
- Which of the following reactions will NOT give primary amine as the product?
- Which of the following statements are INCORRECT? A. All the transition metals except scandium form MO oxides which are ionic. B....
- Which amongst the following options is the correct relation between change in enthalpy and change in internal energy?
- What fraction of one edge centred octahedral void lies in one unit cell of fcc?Not in JEE Main or NEET syllabus
- Match List-I with List-II : List-I (Oxoacids of Sulphur): A. Peroxodisulphuric acid B. Sulphuric acid C. Pyrosulphuric acid D....
- The reaction that does NOT take place in a blast furnace between 900 K to 1500 K temperature range during extraction of iron is :Not in JEE Main or NEET syllabus
- The equilibrium concentrations of the species in the reaction A + B C + D are 2, 3, 10 and 6 mol L^ -1 , respectively at 300 K....
- On balancing the given redox reaction, a Cr _2 O _7^ 2- +b SO _3^ 2- (aq)+c H ^+(aq) 2a Cr ^ 3+ (aq)+b SO _4^ 2- (aq)+ c2 H _2 O...
- Zr (Z = 40) and Hf (Z = 72) have similar atomic and ionic radii because of :
- The molar conductance of NaCl, HCl and CH_3COONa at infinite dilution are 126.45, 426.16 and 91.0 S cm^2 mol^ -1 respectively....
- The maximum temperature that can be achieved in blast furnace is :Not in JEE Main or NEET syllabus
- Identify the compound that will react with Hinsberg's reagent to give a solid which dissolves in alkali.
- The following solutions were prepared by dissolving 10 g of glucose ( C _6 H _ 12 O _6) in 250 ml of water (P_1), 10 g of urea (...
- The major product of the following chemical reaction is : ( CH _3)_2 CH - CH = CH _2+ HBr ( C _6 H _5 CO )_2 O _2 ?
- Given below are two statements : Statement I : Aspirin and Paracetamol belong to the class of narcotic analgesics. Statement II :...Not in JEE Main or NEET syllabus