When 2-bromopropane reacts with Sodium ethoxide, the major product is/are
- Propene
- Propane
- All are formed
- Ethyl isopropyl ether
Which oxyacid of halogen is strong oxidizing agent
- HClO3
- HClO2
- HClO4
- HClO
Why fluorine has less electron affinity as compared to bromine
- Thick small electronic cloud
- Higher ionization energy
- Electronegativity
- Seven electrons in outermost shell
In anisotropic crystals which property do not change with the change in direction of crystalline structure
- Molar mass
- Thermal conductance
- Refractive Index
- Electrical conductance
Which type of forces exist between iodine molecules
- Dipole-dipole forces
- Dipole-induced dipole forces
- Non-polar forces
- Instantaneous dipole-induced dipole forces
Which is not a property of liquid
- Melting
- Diffusion
- Osmotic pressure
- Freezing point
The same moles of H2, N2 and 02 are present in 0.1 cc volume at STP. Which one has greatest number of molecules:
- Number of molecules are equal
- N2
- O2
- H2
Which of the following electronic configuration is correct for 24^Cr
- 1s22s22p63s23p64s13d5
- 1s2,2s2,2p6,3s2,3p6,4f6
- 1s2,2s2,2p6,3s2,3p6,4s2,3d4
- 1s2,2s2,2p6,3s2,3p6,3d6
The average weight of atoms of an element compared to the weight of one atom of _____ is called atomic weight
- Carbon
- Nitrogen
- Hydrogen
- Helium
Which element is used as standard to determine atomic mass of an element
- C
- P
- H
- Cl
