MCQs on Fuel Cell
MCQs on Fuel Cell Which of the following converts energy from the combustion of fuel directly to the electrical energy? (a) Ni-Cd cell (b) Dynamo (c) Fuel cell (d) Electrolytic…
MCQs on Chlorine Gas
MCQs on Chlorine Gas Which among the following is the strongest oxidising agent? (a) F2 (b) I2 (c) Br2 (d) Cl2 Answer: (a) Calcium chlorite has the molecular formula (a)…
MCQs on Quantum Numbers
MCQs on Quantum Numbers Which of the following quantum numbers can distinguish between two electrons present in the same orbital? (a) Azimuthal quantum number (b) Principal quantum number (c) Magnetic…
MCQs on Entropy
MCQs on Entropy For spontaneous adsorption of gas (a) ΔS is negative so ΔH should be highly positive (b) ΔS is negative so ΔH should be highly negative (c) ΔS…
MCQs on Aromaticity
MCQs on Aromaticity Which of the following compounds is not aromatic? 2. Which of the following is not a characteristic property of arenes? (a) Delocalisation of ????-electrons (b)…
MCQs on Benzene and its Derivatives
MCQs on Benzene and its Derivatives This can be a halide in the Friedel Crafts reaction (a) isopropyl chloride (b) chlorobenzene (c) bromobenzene (d) chloroethene Which of the following will…
MCQs on VSEPR Theory
MCQs on VSEPR Theory Which of the following species has 120° bond angles? (a) NCl3 (b) PH3 (c) ClF3 (d) BCl3 Which of the following species has a trigonal planar…
MCQs on Hydrocarbons
MCQs on Hydrocarbons Choose the process by which liquid hydrocarbons can be converted to gaseous hydrocarbons (a) hydrolysis (b) oxidation (c) cracking (d) distillation under reduced pressure Answer: (c) Which…
MCQs on Structure of Atom
MCQs on Structure of Atom How many orbitals can have the following set of quantum numbers, n = 3, l = 1, m1 = 0 ? (a) 3 (b) 1 (c)…
MCQs on s-Block Elements
MCQs on s-Block Elements Which of the compounds is known as Slaked lime? (a) CaO (b) CaSO4 (c) Ca(OH)2 (d) CaCO3 Answer: (c) Which of the ions have maximum hydration…
MCQs on Thermodynamics
MCQs on Thermodynamics What will be the value of ΔH, if the forward and reverse reactions have the same energy of activation? (a) ΔH = ΔG = ΔS = 0…
MCQs on Redox Reaction
MCQs on Redox Reaction Which of the compounds can exist together? (a) HgCl2, SnCl2 (b) FeCl3, KI (c) FeCl3, SnCl2 (d) FeCl2, SnCl2 Answer: (d) One mole of ferrous oxalate…
MCQs on p-Block Elements
MCQs on p-Block Elements Find the amphoteric oxide (a) CaO2 (b) CO2 (c) SnO2 (d) SiO2 Answer: (c) Graphite has a structural similarity with (a) B2H6 (b) B4C (c) B…
MCQs on Chemical Kinetics
MCQs on Chemical Kinetics The rate of a chemical reaction tells us about the reactants taking part in the reaction the products formed in the reaction how slow or fast…
MCQs on Electrochemistry
MCQs on Electrochemistry The aqueous solution of which of the following compounds is the best conductor of electric current? Acetic acid, Hydrochloric acid Ammonia Fructose Answer: (b) An increase in…
MCQs on Solid State
MCQs on Solid State How many unit cells are divided equally in a face-centred cubic lattice? 2 4 6 8 Answer: (c) A crystalline solid: changes abruptly from solid to…
MCQ on Alcohols, Phenols and Ethers
MCQ on Alcohols, Phenols and Ethers Benzenediazonium chloride on reaction with phenol in weakly basic medium gives diphenyl ether p-hydroxyazobenzene chlorobenzene Benzene Answer: (b) Phenol reacts with bromine in CS2…
MCQs on Coordination Compounds
MCQs on Coordination Compounds When 0.1 mol CoCl3(NH3)5 is combined with excess AgNO3, then 0.2 mol AgCl is obtained. The conductivity of the solution suits the 1:3 electrolyte 1:1 electrolyte…
MCQs on General principles and Processes of Isolation of Elements
MCQs on General principles and Processes of Isolation of Elements In the equation, 4M + 8CN– + H2O + O2 → 4[M(CN)2]– + 4OH–, the metal M is copper iron…
MCQs on Hydrogen Bonding
MCQs on Hydrogen Bonding Which one of the following is not an isotope of hydrogen? Deuterium Tritium Ortho hydrogen None of these Answer: (c) Out of the two allotropic forms…
MCQs on Polymers
MCQs on Polymers Nylon threads are made of polyester polymer polyamide polymer polyethylene polymer polyvinyl polymer Answer: (b) Which of the following is a branched polymer? low density polymer polyester…