Organic Compounds - Jamb Chemistry Past Questions and Answers

Question 356:

• JAMB 2017

The alkyl group is represented by the general formula

A. C_nH₂n
B. C_nH₂n − 2
C. C_nH₂n + 1
D. C_nH₂n + 2

Question 357:

• JAMB 2017

C₃H₅ - COH₃ =CH₂
The IUPAC nomenclature of the structure above is

A. 3-methybut-3-ene
B. 2-methylbut-1-ene
C. 2-ethylprop-1-ene
D. 2-methylbut-2-ene

Question 358:

• JAMB 2017

The densities of two gases, X and Y are 0.5gdm^-3 and 2.0gdm^-3 respectively. What is the rate of diffusion of X relative to Y?

A. 0.1
B. 0.5
C. 2.0
D. 4.0

Question 359:

• JAMB 2017

The carbon atoms on ethane are

A. Sp² hybridized
B. Sp³ hybridized
C. Sp⁴ hybridized
D. Sp hybridized

Question 360:

• JAMB 2017

Due to the high reactivity of sodium, it is usually stored under

A. Water
B. Mercury
C. Paraffin
D. Phenol