Options:
- A. 2
- B. 3
- C. 4
- D. 5
View Answer
C. 4
Chemistry
Energy released or absorbed when electrons are added in atom is_________________?
Options:
- A. Ionization potential
- B. Electronegativity
- C. Electron affinity
- D. Activation energy
View Answer
C. Electron affinity
Molecular orbitals are filled according to _________________?
Options:
- A. Auf bau principle
- B. Hunds rule
- C. Paulis Exclusion principle
- D. All these
View Answer
D. All these
Ideal gasses have all the following characteristics except ?
Options:
- A. Absence of intermolecular forces
- B. Collisions among the molecules of an ideal gas are perfectly elastic
- C. The molecules occupy no space
- D. All of the above are correct
View Answer
C. The molecules occupy no space
The non-ideal behaviour results chiefly from________________?
Options:
- A. Intermolecular attraction and infinite volume
- B. Elastic collisions and finite volume
- C. Intermolecular attractions and finite volume
- D. Intermolecular attraction only
View Answer
C. Intermolecular attractions and finite volume
Who made volume and pressure correction to explain deviation of gases from ideal behaviour ?
Options:
- A. Clausius
- B. Boltzman
- C. Charles
- D. Vander waal
View Answer
D. Vander waal
When sparingly soluble salt is in equilibrium with molar concentration of its oppositely charged ion when the product is called_________________?
Options:
- A. common ion effect
- B. solubility product
- C. dissociation constant
- D. dissociation constant for an acid
View Answer
B. solubility product
When the value of Kc is very small then_______________________?
Options:
- A. reaction is at start
- B. product conc. Is maximum
- C. reactant conc. Is minimum
- D. reaction is completed
View Answer
B. product conc. Is maximum
Which one of the following makes the bulk of hydrospheres content ?
Options:
- A. oceans
- B. glaciers & icecaps
- C. fresh water lakes and ponds
- D. All have equal distribution
View Answer
A. oceans
Which of the following is an example of liquid in gas solution?
Options:
- A. Opals
- B. Dust particles in smoke
- C. Paints
- D. Fog
View Answer
D. Fog