Model Set-1 ENGLISH 20 Created on July 09, 2023 By Arvind SirModel Set-1English MediumAttempt All Question 1 / 28The reaction between alkylhalide and sodium metal in the presence of ether is called Wurtz reaction Kolbe reaction Clamensen reaction None of these 2 / 28The meaning of lanthanide contraction is Decrease in density Decrease in mass Decrease in ionic radius Decrease in activity 3 / 28In the extraction fo iron, prduced slag is – CO FeSiO3 MgCiO3 CaSiO3 4 / 28Which one is not affected by temperature- Normality Malality: Molarity Formality 5 / 28The volume of one litre of a gas at NTP is 11.2 L 22.4 L 10.2L 22.8L 6 / 28The order of esterification of alcohol is - 1°<2°<3° 1° > 2° >3° 1° > 3°> 2° 1°< 3° <2° 7 / 28The NH₂ group in benzene is - Ortho-directing Meta directing Ortho-para directing Para-directing 8 / 28Which enzyme is converting glucose into alcohol? Maltose Diastase Zymase Invertase 9 / 28The half life period of a reaction is inversely proportional to the initial concentration.    The order of reaction is 0 1 2 3 10 / 28Using inert electrode, electrolysis is done in the aqueous solution of sodium sulphate. What are the products obtained at cathode and at anode ? H₂, O₂ O₂, H₂ O₂, Na O₂, SO₂ 11 / 28Which one is the most alkaline ? NH3 CH3NH2 (CH3)2NH (CH3)3N 12 / 2810 2° and 3° alcohols are distinguished by- Oxidation method Lucos test Victor Mayer All 13 / 28Vitamin 'C' is - Maleic acid Ascorbic acid Paracetamol Lactic acid 14 / 28Ammonia is dried from Anhydrous CaCl2 Cao Conc. H₂SO4 P4010 15 / 28The O.S. of Fe in brown ring complex [Fe(H2O), NOJSO4 is +1 +2 +3 +4 16 / 28Which one of these is diamagnetic? CO2+ Ni2- Cu²+ Zn²+ 17 / 28Fog is the colloidal system of Gas in liquid Liquid in gas Solid in liquid Liquid in liquid 18 / 28Spontaneous cell reaction will occurs when E° is negative. ΔG° is negative ΔG° is positive. None of these 19 / 28The unit for rate constant for a reaction is mole L -1 sec -1 The order of the reaction is - 0 1 2 3 20 / 28The distillation of calcium formate, gives CH3 CHO HCHO HCOOH CH3 COOH 21 / 28Isoprene monomer is present in which of the following? Natural rubber Terylene Nylone 6,6 Polythene 22 / 28The general formula of alkene is CnH2n CnH2n-2 CnH2n-2 None of these 23 / 28Which of the following does not form Hydrogen bonding ? NH3 H 2O HF HCl 24 / 28What is oxidation number of nickel in Ni(CO)4 1 3 0 2 25 / 28The main source of helium is Radium Monazite Air Water 26 / 28Faraday's second law of electrolysis is related - with velocity of positive ions with atomic number of negative ions with atoms of positive ions with equivalent weight of electrolyte 27 / 28Which has maximum boiling point at one atmosphoric pressure? 0.1M NaCh 0.1M BaCl2 0.1M Sucrose 0.1M Glucose 28 / 28The structure of a compound made of elements A and B is crystalised. The atom "A" is situated at the corners and atom 'B' is situated at the centre of each face of the cube. What is the formula of this compound? AB3 A3B AB AB2 Your score isThe average score is 47% LinkedIn Facebook VKontakte 0% Restart quiz