Jamb Chemistry 2019 Past Questions and Answers

Question 66:

• JAMB 2019

The IUPAC name for CH\(_3\)CH\(_2\)COOCH\(_2\)CH\(_3\) is

A. Methylpropanoate
B. Ethylethanoate
C. Ethylpropanoate
D. Methylethanoate

Question 67:

• JAMB 2019

A certain hydrocarbon on complete combustion at s.t.p produced 89.6dm\(^3\) of CO\(_2\) and 54g of water. The hydrocarbon should be

A. C\(_6\)H\(_6\)
B. C\(_4\)H\(_{10}\)
C. C\(_5\)H\(_{10}\)
D. C\(_4\)H\(_6\)

Question 68:

• JAMB 2019

2-methylprop-1-ene is an isomer of

A. 3-methyl but-1-ene
B. 2-methyl but-1-ene
C. But-2-ene
D. Pent-2-ene

Question 69:

• JAMB 2019

Hydrocarbons which will react with Tollen's reagent conform to the general formula

A. C\(_n\)H\(_{2n}\)
B. C\(_n\)H\(_{2n + 2}\)
C. C\(_n\)H\(_{2n - 2}\)
D. C\(_n\)H\(_{2n + 1}\)OH

Question 70:

• JAMB 2019

The IUPAC name of the compound CF\(_3\)CHBrCl is

A. 2-chloro-2-bromo-1,1,1-trifluoroethane
B. 2-bromo-2-chloro-1,1,1-trifluoroethane
C. 1-bromo-1-chloro-2,2,2-trifluoroethane
D. 1,1,1-trifluoro-2-bromo-2-chloroethane