1. What is the shape of the ethylene molecule? ┬а
A. Linear
B. Tetrahedral
C. Coplanar triangular
D. Hectohedral
2. Which of the following compound is tetrahedral? ┬а
A. Ammonia
B. Carbon tetrachloride
C. Water
D. Acetylene
3. Through the fused sodium chloride, electric current can pass out due to the presence of:
A. Free electron
B. Free ion
C. Free molecule
D. The atoms of sodium and chlorine
4. The higher boiling point of the water occurs due to:
A. Its more specific heat
B. Its more value of the dielectric constant
C. Less molecular disassociation in H20
D. Presence of hydrogen bonding among the molecules of H20
5. The tendency to donate the electron is called:
A. Oxidation
B. Reduction
C. catylisation
D. self-induction
6. The tendency to accept the electron is called:
A. Oxidation
B. Reduction
C. catylisation
D. Self induction
7. The hydrogen burning process is directly associated with:
A. Hydrolysis
B. Reduction
C. Oxidation
D. Hydrogenation ┬а
8. The rusting of the iron is the example of:
A. Oxidation
B. Reduction
C. Polymerisation
D. Galvanization
9. In which of the following chlorine has + 1 oxidation number?
A. Hypochlorous acid
B. Hydrochloric acid
C. Zinc chloride
D. Chlorine ┬а
10. The element chromium (Cr) has its oxidation number in K2Cr2O7:
A. + 6┬а
B. - 2┬а
C. + 7┬а
D. - 7
| Question | Answer |
| 1. | C |
| 2. | B |
| 3. | B |
| 4. | B |
| 5. | A |
| 6. | B |
| 7. | C |
| 8. | A |
| 9. | A |
| 10. | A |