1. Which of the mentioned is the simplest method of producing ethylene on large scale?
a) Dehydration of ethanol
b) Thermal cracking of ethane
c) Dehalogenation of Ethyl Chloride
d) Deoxidation of ethylene oxide
Explanation: Steam/Thermal cracking of ethane is the easiest and economical means to produce ethylene on large scale.
2. What is the capacity of the refinery by Reliance Industry? Where is it located?
a) 10 million ton, Ahmedabad
b) 15 million ton, Jamnagar
c) 15 million ton, Gandhinagar
d) 10 million ton, Assam
Explanation: Reliance Industry started one of the largest refineries in Jamnagar whose capacity is 15 million ton.
3. Which of the mentioned catalyst is used in preparation of synthetic ethanol? (Process is hydration of ethylene)
a) Platinum
b) Phosphoric acid on silica
c) Phosphoric acid on celite
d) Zirconium
Explanation: Synthetic ethanol is made by dehydration of ethylene using phosphoric acid on celite catalyst.
4. Which of the mentioned names is apt for Acetic Acid?
a) Butanoic Acid
b) Pentanoic Acid
c) Methanoic Acid
d) Ethanoic Acid
Explanation: Acetic acid’s formula is CH3COOH, which consists of acetyl group (Ethanoyl group), So Acetic Acid can also be called as ethanoic acid (presence of 2 carbons).
5. Pyrolysis of CCl4 will result in which of the mentioned compound?
a) Perchloroethylene
b) Hypochlorous acid
c) Trichloroethylene
d) Dichloroethylene
Explanation: Pyrolysis is breaking down of molecules, when two moles of percholoroethylene is taken and pyrolysis is done, it yields perchloroethane and chlorine.
6. What is India’s rank in world’s deposit of Manganese?
a) 1st
b) 2nd
c) 3rd
d) 4th
Explanation: India ranks 3rd in world deposits of Manganese.
7. Which of the mentioned are the principal constituents of an organic compound?
a) Carbon, Oxygen and Sulphur
b) Carbon, Oxygen and Nitrogen
c) Carbon, Oxygen and Hydrogen
d) None of the above
Explanation: Any compound containing Carbon, Hydrogen and Oxygen as principal constituents is an organic compound.
8. Natural Gas largely constitutes of which of the mentioned?
a) Methane
b) Ethane
c) Pentane
d) Butane
Explanation: Methane is one of the major constituents of Natural Gas (about 75%).
9. Molecular weight of perchloroethylene is approximately? (Cl-35.5, C-12)
a) 166
b) 167
c) 168
d) 165
Explanation: Perchloroethane’s formula is C2Cl4. Therefore, its weight will be 12*2+35.5*4 = 166.
10. Which of the mentioned can also be a formula of acetic acid?
a) C2H4O3
b) CH4O2
c) C3H4O
d) C2H4O2
Explanation: Acetic acid’s formula is CH3COOH, summing up all Carbons, Hydrogen and Oxygen will result in C2H4O2.