MCQs on Surface Chemistry
MCQs on Surface Chemistry Which one of the following is an example of adsorption? ammonia in contact with water anhydrous CaCl2 with water silica gel in contact with water vapours…
MCQs on Chemistry in Everyday Life
MCQs on Chemistry in Everyday Life Chloramine-T is an disinfectant antiseptic analgesic antipyretic Answer: (a) Benzalkonium chloride is a cationic surfactant and antiseptic anionic surfactant and soluble in most of…
MCQs on Organic compounds containing Nitrogen
MCQs on Organic compounds containing Nitrogen Acetamide can be converted to methenamine by which of the following reactions? Stephen’s reaction Hoffmann bromamide reaction Carbylamine reaction Gabriel phthalimide synthesis Answer: (b)…
MCQs on Free Energy and Work Function
MCQs on Free Energy and Work Function If the standard free energy change for a reaction is 1.546 kJ/mol at 500oC then the value of the standard equilibrium constant for…
MCQs on Oxidizing and Reducing Agent
MCQs on Oxidizing and Reducing Agent Oxygen can be converted into ozone by oxidation at high temperature catalytic oxidation oxidation under high pressure and temperature silent electric discharge Answer: (d)…
MCQs on Redox Reaction and Method for Balancing Redox Reaction
MCQs on Redox Reaction and Method for Balancing Redox Reaction Which of the following represents a redox reaction? NaOH + HCl → NaCl + H2O BaCl2 + H2SO4 → BaSO4…
MCQs on Electrovalent Bonding
MCQs on Electrovalent Bonding Electrovalent compounds are low melting insoluble in polar solvents conductors in the fused state none of the above Answer: (c) Ionic compounds don’t conduct electricity in…
MCQs on Coordinate or Dative Bonding
MCQs on Coordinate or Dative Bonding When two species A and B form an electron-pair bond and A does not provide its electrons for bonding, the bond present between A…
MCQs on Polarisation and Fajans Rule
MCQs on Polarisation and Fajans Rule The molecule, which contains sp3d2 and p orbitals overlapping in it is PCl5 BrF5 ClF3 IF7 Answer: (b) Homolytic fission of C-C bond of…
MCQs on Hybridisation
MCQs on Hybridisation The compound which contains both ionic and covalent bond: KCl KCN CH4 H2 Answer: (b) The maximum number of 90o angles between bond pair-bond pair of electrons…
MCQs on Soil Pollution
MCQs on Soil Pollution Which of the following serves as an indicator of atmospheric pollution? fern liverworts hornworts epiphytic lichens Answer: (d) In 1984, the Bhopal gas tragedy took place…
MCQs on Corrosion
MCQs on Corrosion Which of the following methods is not used for the prevention of corrosion? greasing painting plating Heating Answer: (d) Widening of a river valley takes place due…
MCQs on Hydrogen
MCQs on Hydrogen Electrolysis of brine produces chlorine gas hydrogen gas sodium hydroxide all the above Answer: (d) A reactant containing the element that is oxidised is called reducing agent…
MCQs on Hydrogen Peroxide
MCQs on Hydrogen Peroxide The structure of hydrogen peroxide is Planar Spherical Linear Non-planar Answer: (d) Fenton’s reagent is Zn + HCl Sn + HCl FeSO4 + H2O2 None Answer: (c) Hydrogen peroxide…
MCQs on Equilibrium State
MCQs on Equilibrium State Equimolar solutions of the following compounds are prepared separately in water. Which will have the lowest pH value? BeCl2 SrCl2 CaCl2 MgCl2 Answer: (a) Addition of…
MCQs on Law of Equilibrium and Equilibrium Constant
MCQs on Law of Equilibrium and Equilibrium Constant Could BF3 acidity be clarified using one of the following concepts? Arrhenius concept Bronsted Lowry concept Lewis concept Bronsted Lowry as well…
MCQs on Le Chatelier Principle and its Application
MCQs on Le Chatelier Principle and its Application In what manner will increase of pressure affect the following equation C(s) + H2O → CO(g) + H2(g) shift in the reverse…
MCQs on Acids and Bases
MCQs on Acids and Bases Bleaching powders chemical name is calcium hypo oxychloride calcium oxychloride calcium chloride calcium chloro oxide Answer: (b) The ratio of the water molecule in plaster…
MCQs on First Law of Thermodynamics and Hess Law
MCQs on First Law of Thermodynamics and Hess Law The variations in enthalpy that can not be detected per calorimeter can be detected with the aid of Newton’s law Hess’s…
MCQs on Heat of Reaction
MCQs on Heat of Reaction The energy released in the form of nuclear radiation in addition to heat and light during nuclear reactions is known as chemical energy nuclear energy…
MCQs on Conductor and Conductance
MCQs on Conductor and Conductance The unit of conductance cannot be expressed in mho (ohm)-1 siemens ohm/m Answer: (d) The SI unit of specific resistance is ohm m ohm/m ohm/m2…