1501 Which of the following has acidic hydrogen? Chemistry Medium Full question → A Ethyne B Ethene C Ethane D Benzene
1502 Ozonolysis of acetylene gives: Chemistry Medium Full question → A Glycol B Glyoxal then formic acid C Formaldehyde D None
1503 Product formed when 2-pentyne reacts with ozone in the absence of Zinc is __________? Chemistry Medium Full question → A CH 3 CH 2 CHO + CH 3 CHO B CH 3 CH 2 CHO + CH 3 COOH C CH3CH2COOH + CH3COOH D CH 3 COOH + CO 2
1504 O3 reacts with C2H4 to form ozonide, while on further hydrolysis it forms _________? Chemistry Medium Full question → A Ethylene oxide B HCHO C Ethylene glycol D Ethyl alcohol
1505 At higher temperature, Ethyne on reaction with water in the presence of HgSO4 and H2SO4 gives: Chemistry Medium Full question → A Acetone B Acetaldehyde C Acetic acid D Ethyl alcohol
1506 Position of double bond in an organic compound is determined by ___________? Chemistry Medium Full question → A Ozonolysis B Oxidation C Reduction D Hydrogenation
1507 Which of the following gases is used for welding? Chemistry Medium Full question → A Methane B Ethane C Acetylene D Ethene
1508 The compound C3H4 has a triple bond, which is indicated by its reaction with____________? Chemistry Medium Full question → A Bromine water B Bayer’s reagent C Fehling solution D Ammonical silver nitrate
1509 Acetylene gives: Chemistry Medium Full question → A White precipitate with AgNO3 and red precipitate with Cu2Cl2 B White precipitate with Cu 2 Cl 2 and red precipitate with AgNO 3 C White precipitate with both the reagents D Red precipitate with both the reagents
1510 Which of the following is a neutral particle ? Chemistry Medium Full question → A Alpha particle B Neutron C Electron D Proton
1511 Coinage metals are actually_________? Chemistry Medium Full question → A Alkali metals B Halogens C Alkaline earth metals D Transition metals
1512 The marsh gas is ___________? Chemistry Medium Full question → A Ethane B Methane C Propane D Butane
1513 The blotting paper helps observe liquid by__________? Chemistry Medium Full question → A Surface Action B Capillary Action C Viscosity D Boldness
1514 All members of homologous series have different __________? Chemistry Medium Full question → A chemical properties B functional group C physical properties D all of them
1515 The valency of Carbon is _________? Chemistry Medium Full question → A 2(Divalent) B 3(Trivalent) C 4(Tetravalent) D 1(univalent)
1516 In homologous series there is the difference of mass between adjacent members. Chemistry Medium Full question → A 14amu B 12amu C 18amu D 22amu
1517 Those aliphatic hydrocarbons which contain carbon to carbon single covalent bond in the chain are called ___________? Chemistry Medium Full question → A Alkanes B Alkynes C Alkenes D a & c
1518 Identify among the following which is not the unsaturated hydrocarbon. Chemistry Medium Full question → A C 4 H 6 B C5H 12 C C 3 H 4 D C 6 H 10
1519 Polyvinyl acetate is the Polymer of __________? Chemistry Medium Full question → A Vinyl Chloride B Vinyl acetate C Formaldehyde D Methyl methacrylate
1520 The general formula for alkenes is:______________? Chemistry Medium Full question → A CnH2n+1 B CnH2n+2 C CnH2n D CnH2n-2