Isomerism, Petroleum, Petrochemicals Jamb Chemistry Past Questions
Question 16
Crude petroleum is converted to useful products by the process of?
- A. fractional crystallization
- B. fractional distillation
- C. filtration
- D. chromatography
Question 17
Alkanes are used mainly?
- A. in the textile industry
- B. in the hydrogenation of oils
- C. as domestic and industrial fuels
- D. as fine chemicals
Question 18
How many structural isomers can be drawn for the non-cyclic alkanol with molecular formula C 4H10O?
- A. 1
- B. 2
- C. 3
- D. 4
Question 19
On cracking medicinal paraffin, a gas is evolved which gives a pop sound with a lighted splinter and an oily liquid which decolourizes bromine solution is also obtained. The products of the cracking are ?
- A. carbon (IV) oxide and alkyne
- B. carbon (ll) oxide and alkene
- C. hydrogen gas and alkene
- D. hydrogen gas and alkane
Question 20
0.07g of a hydride of carbon occupies 56.0cm3 at S.T.P. when vaporized and contains 14.29% by mass of hydrocarbon is(C = 12, H = 1)
- A. CH4
- B. C2H2
- C. C2H4
- D. C2H6
- E. C3H8
