0% 0 Chemistry Quiz 13 1 / 50 Which of the following is a symmetrical ketone___________________? 3 ? hexanone 2-pentanone acetone butanone 2 / 50 True increasing order of acidity of the oxides of Mn is_________________? MnO2 > Mn2O7 > MnO Mn2O7 > MnO2 > MnO MnO2 > MnO > Mn2O7 MnO < MnO2 < Mn2O7 3 / 50 Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature? Avogadro?s Law Charles? Law Graham?s Law Boyle?s law 4 / 50 Which of the following will give phosphoric acid one reaction with water_________________? P2O3 PCI5 P2O5 All of the above 5 / 50 Generally the limit of visible spectrum is__________? 3800 to 7600 A? 1000 to 300 A? 12,000 to 15,000 A? 8000 to 10,000 A? 6 / 50 Which of the following elements has greater 1st ionization energy__________________? C B O N 7 / 50 Indicate the correct statement__________________? I2 is a volatile solid Cl2 is the strongest oxidizing agent Cl2 is insoluble in water Br2 is more reactive than Cl2 8 / 50 The pH of 10-3 mol dm-3 of an aqueous solution of H2SO4 is_________________? 2.7 3 2 1.5 9 / 50 Paramagnetic behaviour of substance is measured by a balance called___________________? Electrical balance Analytical balance Single beam balance Guoys balance 10 / 50 Most of thermodynamic parameters are_________________? surrounding state functions system phase 11 / 50 Which set of solutes will form a buffer when dissolved in water to make 1 litter of solution ? 0.4 mole of CH3COOH with 0.4 mole of NaOH 0.4 mole of NH3 with 0.2 mole of HCI 0.2 mole of NaCI with 0.2 mole of HNO3 0.0002M HCI 12 / 50 When the central atom of coordination compound is sp3d2 hybridization the expected geometry will be___________________? trigonal bipyramidal tetrahedral square planar octahedral 13 / 50 Urea as a fertilizer contains:____________? 46% N 53% N 73% N 57% N 14 / 50 Which of the following is metasilicic acid ? H3AsO4 H2SnO3 H3SbO4 H2SiO3 15 / 50 Basicity of orthophosphoric acid is________? 5 3 2 4 16 / 50 Atomic radius can be determined by_________________? Optical microscope Electron microscope Spectrophotometer X ? ray diffraction 17 / 50 Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________? metallic substances molecular solids covalent network solids ionic substances 18 / 50 Which of the following element has the maximum electron affinity_____? Br F Cl I 19 / 50 The formula of starch is__________________? C6H10O5 (C6H10O5)n C12H22O11 C6H12O6 20 / 50 Which one of the following is the weakest acid in water__________________? HI HCI HBr HF 21 / 50 _____________ surfactants perform well over a wide range water hardness and PH? Anionic Nonionic Neutral Cationic 22 / 50 A limiting reactant is one which________________? gives the maximum amount of the product which is required gives the minimum amount of the product under consideration is taken in lesser quantity in grams as compared to other reactants is taken in lesser quantity in volume as compared to other reactants 23 / 50 Greater the conc. Of reactant__________________? dx/dt will be moderate Greater will be dx/dt Lesser will be dx/dt any of above 24 / 50 The relative attraction of the nucleus for the electrons in a chemical bond is called _________________? Electron affinity None of the above Ionization energy Electro negativity 25 / 50 Tincal is a mineral of___________________? Si A1 B C 26 / 50 The chemical (Ethyl Mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of:_______? Sulphur Fluorine Bromine Chlorine 27 / 50 All the transition elements show_________________? None Both A and b Similar chemical properties Similar physical properties 28 / 50 Which of the following properties prove that cathode rays are material in nature_________________? all of the above they are negatively charged they possess momentum they cast shadow 29 / 50 Lead accumulators are_______________? secondary cell voltaic cell primary cell both A & C 30 / 50 2-propanol and 1-propanol show the isomerism________________? position isomerism geometric isomerism functional group isomerism metamerism 31 / 50 Carbon in wrought iron is present as_________? Graphite Partly as iron carbide and partly as graphite Silicon carbide Iron carbide 32 / 50 Chemical composition of cinnabar is____________________? FeS2 HgS PbS ZnS 33 / 50 Which C-X bond has the highest bond energy per mole ? C-F C-C C-Br C-I 34 / 50 Biocatalytical proteins are_________________? any of above Substrate Enzymes Lipids 35 / 50 The technique used to separate components of mixture in solid phase ? Filtration Solvent extraction Crystallization Sublimation 36 / 50 Formation of vapours from the surface of a liquid is called________________? cracking evaporation condensation vapourization 37 / 50 The relative lowering of vapour pressure is_____________________? both B & C equal to the mole fraction of solute equal to the mole fraction of solvent directly proportional to the mole fraction of solute 38 / 50 The element having electronic configuration [kr] 4d10, 4f14,5s2,5p6,5d1,6s2 belongs to __________? f-Block d-Block S-Block P-Block 39 / 50 Grignard reagent gives carboxylic acid with____________? COC2 CO2 HCN CH3CHO 40 / 50 Which of the following is not primary pollutant__________________? SO3 CO H2SO4 NO 41 / 50 In benzene sulphonic acid the sulphonic group is attached with benzene ring through ___________________? Hydrogen OH Sulphur Oxygen 42 / 50 Ethylene diammine is ligand________? tri dentate Bi dentate mono dentate Poly dentate 43 / 50 Which of the following is not use of compounds of Fluorine________________? Sodium fluoroacetate is a rat poison None of the above SbF3 is used for manufacture of pottery Cu F2 is used in ceramic industry 44 / 50 At start of reaction the concentration of reactants is_______________? according to Kc low high constant 45 / 50 Qualitative analysis is carried out for _________________? estimation of amounts of elements molar volume of elements identification of elements molar ration of elements 46 / 50 Methyl alcohol is not used as___________________? an anti freezing agent for denaturing of ethyl alcohol a solvent a substitute for petrol 47 / 50 Which of the halogen has highest electronegativity ? Chlorine Bromine Fluorine Iodine 48 / 50 The specie which donates electrons to central metal atom in coordination sphere is called____________________? Ligand is positively charged acid anion cation 49 / 50 Addition of urea to the soil is ____________ reaction? both a and b exothermic no heat energy is involved endothermic 50 / 50 Silica gel and alumina are used as __________________? Mobile phase Single phase Stationary phase Mixed phase Provide Your Information Your score is The average score is 0% LinkedIn Facebook Twitter 0% Restart quiz Send feedback Share on facebook Facebook Share on twitter Twitter Share on whatsapp WhatsApp PrevChemistry Quiz 12 Chemistry Quiz 14Next
