Which of the following is not hygroscopic?
CsCl is not hygroscopic in nature while MgCl2, CaCl2 and LiCl are hygroscopic in nature.
Decreasing order of bond angle is
BeCl2 > NO2 > SO2
BeCl2 > SO2 > NO2
SO2 > BeCl2 > NO2
SO2 > NO2 > BeCl2
The enthalpy of formation of CO(g), CO2(g), N2O(g), and N2O4(g) is -110, -393, +811 and 10 kJ/mol respectively. For the reaction, N2O4 + 3CO(g) N2O(g)+ 3CO2(g); Hr (kJ/mol) is
Ksp of CaSO4.5H2O is 9 10-6, find the volume for 1 g of CaSO4 (M.wt. = 136).
Which of the following is not a characteristic of equilibrium?
Rate is equal in both directions
Measurable quantities are constant at equilibrium.
Equilibrium occurs in reversible condition.
Equilibrium occurs only in open vessel at constant temperature.
Which of the following is wrong for Bohr model?
It establishes stability of atom
It is inconsistent with Heisenberg uncertainty principle.
It explains the concept of spectral lines for hydrogen like species.
Electrons behave as particle and wave
In the van der Waals equation, 'a' signifies
attraction between molecules and wall of container
volume of molecules