The gas which cannot be dried by conc. H2SO4 ?
A. SO2 B. H2S C. CO2 D. C2H4
Chemistry MCQs
FeSO4 forms brown ring with________________?
A. N2O3 B. NO2 C. NO D. N2O
Oxygen does not react with all except_________________?
A. Alkali B. Acid C. Water D. Metals
In which compound nitrogen has maximum oxidation state____________________?
A. N2O B. NO2 C. HNO2 D. HNO3
Among the halogens the rare element is________________?
A. Fluorine B. Chlorine C. Astatine D. Iodine
Vander Waals forces are stronger in_______________?
A. F2 B. Cl2 C. Br2 D. I2
The most powerful oxidizing agent among the halogens is__________________?
A. F2 B. Cl2 C. Br2 D. I2
The halogen which reacts spontaneously with gold (Au) to form Au+3 is ________________?
A. F2 B. Cl2 C. Br2 D. I2
The halogen which reacts very slowly with halogen is________________?
A. Fluorine B. Chlorine C. Bromine D. Iodine
The halogen having highest electron affinity is_____________________?
A. Fluorine B. Chlorine C. Bromine D. Iodine