941 Alkenes are produced from dehalogenation of________________? Chemistry Medium Full question → A dihalo alkane B trihalo alkane C vicinal dihalo alkane D vicinal trihalo alkane
942 Which of the following will be acidic_____________? Chemistry Medium Full question → A propyne B 1-butyne C ethyne D all of the above
943 The gas used in manufacturing of urea fertilizer__________________? Chemistry Medium Full question → A C2H6 B C2H4 C C2H2 D CH4
944 Introduction of nitro group in a molecule is called___________________? Chemistry Medium Full question → A nitration B halogenation C sulphonation D amination
945 Which of the following is the most reactive_________________? Chemistry Medium Full question → A ethane B ethyne C ethene D benzene
946 R-Mg-Br is called___________________? Chemistry Medium Full question → A Grignard reagent B Metallic alkyl halide C Both A & B D Alkyl
947 Molozonide is unstable and changes into ozonide on_________________? Chemistry Medium Full question → A reduction B oxidation C hydrolysis D rearrangement
948 Removal of CO2 is called_____________________? Chemistry Medium Full question → A carboxylation B decarboxylation C esterification D hydroxylation
949 Hydrogenolysis results in the formation of________________? Chemistry Medium Full question → A alkane B alkene C alkyne D aldehydes
950 Alkanes are also known as________________? Chemistry Medium Full question → A saturated hydrocarbon B unsaturated hydrocarbon C paraffins D both A & C
951 Alkanes containing a methyl group on main chain at 2nd carbon are called________________? Chemistry Medium Full question → A iso-alkane B normal-alkane C neo-alkane D branched-alkane
952 The anhydride of HCIO4 is_________________? Chemistry Medium Full question → A Cl2O B Cl2O6 C ClO2 D Cl2O7
953 In which compound of Xenon the oxidation state of Xenon is + 6? Chemistry Medium Full question → A XeF4 B XeOF4 C XeOF2 D Na4XeO6
954 Which of the following is the weakest reducing agent ? Chemistry Medium Full question → A HF B HBr C HC D HI
955 Fluorine can react with_________________? Chemistry Medium Full question → A Xe B Kr C Rn D All of the above
956 Which of the following statements is incorrect about halogens ? Chemistry Medium Full question → A All are non-metals B All the halogens have electronic conviguration ns2p5 C They have high electron attinity and ionization energy D All the halogens react with noble gases to form their halides
957 Which of the halogen has highest electronegativity ? Chemistry Medium Full question → A Fluorine B Chlorine C Bromine D Iodine
958 Which of the following oxides of iodine is used for quantitative analysis of CO ? Chemistry Medium Full question → A I2O4 B I4O2 C I2O5 D All are equally useful
959 Bleaching powder is an example of________________? Chemistry Medium Full question → A Normal salt B Double salt C Mixed salt D Complex