Options:
- A. Ionization energy
- B. Electron affinity
- C. Electro negativity
- D. Atomic size
View Answer
C. Electro negativity
Chemistry
Molecular orbital which have higher energy than atomic orbitals is called___________________?
Options:
- A. Bonding molecular orbital
- B. Antibonding molecular orbital
- C. Hybrid orbital
- D. Super atomic orbital
View Answer
B. Antibonding molecular orbital
In a period electronegativity from left to right_________________?
Options:
- A. Increases
- B. Decreases
- C. Remain constant
- D. Variable trend
View Answer
A. Increases
Which state of matter has the lowest density ?
Options:
- A. Gas
- B. Liquid
- C. Solid
- D. Plasma
View Answer
A. Gas
What is the abundant form of matter on earth ?
Options:
- A. Gas
- B. Liquid
- C. Solid
- D. Plasma
View Answer
C. Solid
Reaction which proceeds in both directions is called_______________?
Options:
- A. reversible
- B. irreversible
- C. spontaneous
- D. non-spontaneous
View Answer
A. reversible
Kc value has_______________?
Options:
- A. No units
- B. Units
- C. Both A & B
- D. None
View Answer
C. Both A & B
Which of the following is not a condition for the formation of smog ?
Options:
- A. sufficient NO
- B. sunlight
- C. less movement of air
- D. winds
View Answer
D. winds
The yellow colour in photochemical smog is due to presence of__________________?
Options:
- A. dinitrogen oxide
- B. nitrogen dioxide
- C. chlorine gas
- D. chlorine dioxide
View Answer
B. nitrogen dioxide
Mixtures which distill over without change in composition called___________________?
Options:
- A. zeotropic mixture
- B. azeotropic mixture
- C. amphoteric mixture
- D. ideal solution
View Answer
B. azeotropic mixture