A brivalent metal has the equivalent weighr of 12. The molecular weight to its oxide will be_______? Options: A. 24B. 32C. 36D. 40 View Answer D. 40
Distance at which attractive forces of hydrogen overcome repulsive forces is __________ ? Options: A. 75.2pmB. 75.3pmC. 75.5pmD. 75.4pm View Answer D. 75.4pm
When phenol is heated with concentrated nitric acid the product is________________? Options: A. Picric acidB. o-nitrophenolC. 1 3 5 -trinitro benzeneD. p-nitrophenol View Answer A. Picric acid
A theoretical link between quantum mechanics and thermodynamics is_________? Options: A. ElectrchemistryB. Matrix mechanicsC. Statistical thermodynamicsD. Soectroscopic analysis View Answer C. Statistical thermodynamics
Which of the following effects best explains that o-nitrophenol is insoluble in water? Options: A. Inductive effectB. Resonance effectC. Intermolecular H-bondingD. Isomeric effect View Answer C. Intermolecular H-bonding
Grignard reagent gives carboxylic acid with____________? Options: A. CO2B. CH3CHOC. COC2D. HCN View Answer A. CO2
The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is___________? Options: A. 2.05 gramB.C.D. View Answer B.