Model Set-2 eng 7 Created on July 09, 2023 By Arvind SirModel Set - 2 English Medium 1 / 28Protective sols are- Lyophilic Lyophobic Both (a) and (b) None of these 2 / 28IUPAC name of HO - CH2 - CH2 - OH is Ethylene glycol Ethane-1,2-diol Ethyl-1,2-diol Ethylenediol 3 / 28Which one of the metal is liquid at normal temperature? Zinc Mercury Sodium Water 4 / 28Which one of the following is an alkaline earth element? Carbon Calcium Zinc Iron 5 / 28Which one of the following elements is found in free state in nature- Sodium Iron Zinc Gold 6 / 28The shape of XeF4 is- Tetrahedral Square planar Pyramidal Linear 7 / 28Sodium is a member of which group in periodic table? Group-IA Group-IIA Group-IVA None of these 8 / 28Which block of elements are known as transition elements? p-block s-block d-block f-block 9 / 28The number of chiral C-atom in cyclic structure of glucose is- 2 3 4 5 10 / 28The genral formula of carbohydrate is- Cx (H2O)y Cx (H2)y (CO)x (H2)y (CO2)x (H2) y 11 / 28Which of the following will not undergo aldol condensation- Acetaldehyde Propanaldehyde Benzaldehyde Trideuteroacetaldehyde 12 / 28Fehling test is positive for Acetaldehyde Acetone Ether Amine 13 / 28Lucas test is used to distinguish- Amine Ethers Alcohols Amine 14 / 28The alkyl halide is converted into an alcohol by Elimination Dehydrogenation Addition Substitution 15 / 28CF2CI2 is used as a/an- Antiseptic Insecticide Analgesic Refrigerant 16 / 28Which of the following is a secondary alkyl halide'? Isobutyl chloride Isopentyl chloride Neopentyl chloride Isopropyl chloride 17 / 28The antiseptic action of CHI, is due to CHI3 Liberation of free jodine Iodide ions Iodine and CHl3 both 18 / 28Milk is- Dispersion of fats in oil Dispersion of fats in waler Dispersion of water in fat Dispersion of water in 19 / 28Colloidal particles of soap in water is - Negatively charged Neutral Positively charged Negatively and positively charged 20 / 28Electrolysis is used in - Electrolysis is used in - Electroplating Both (a) and (b) None of these 21 / 28Which of the following is not a collegative property? Vapour pressure Osmotic pressure Elevation in boiling point Depression in freezing 22 / 28Arrhenius equation is – K = A.e -Ea/RT K=e-Ea/RT K = Ae Ea/RT K= e Ea/RT 23 / 28Iron is a - Paramagnetic substance Diamagnetic substance Ferromagnetic substance Ferrimagnetic substance 24 / 28The value of velocity constant (K) of reaction depends on - Concentration of Reactants Concentration of products Volume Temperature 25 / 28Which of the following increases the rate of physical adsorption Decrease in temperature Increase In temperature Decrease in pressure Decrease in surface are 26 / 28Ammonia is dried from Anhydrous CaCl2 Cao Conc. H₂SO4 P4010 27 / 28The O.S. of Fe in brown ring complex [Fe(H2O), NOJSO4 is +1 +2 +3 +4 28 / 28Which one of these is diamagnetic? CO2+ Ni2- Cu²+ Zn²+ Your score isThe average score is 26% LinkedIn Facebook VKontakte 0% Restart quiz
