Preguntas de Chemistry | JAMB CBT PRACTICE 2025 | Page 31

In this section you will find thousands of questions of Chemistry, how to solve each of the questions and the correct answer.

You will have four options in each question, try to answer correctly and if you don't, you will have the option to see the solution or choose another answer.

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Question 151

Which of the following is a primary amine?

A)  

A

B)  

B

C)  

C

D)  

D

How to solve?

Question 152

The functional groups present in the compound above are 

A)  

alkene and halo-group

B)  

hydroxyl and chloro-group

C)  

alkene and chloro-group

D)  

hydroxyl and halo-group 

How to solve?

Question 153

The number of isomers that can be obtained from C4H10 is

A)  

3

B)  

4

C)  

1

D)  

2

How to solve?

Question 154

C6H12O6 → 2C2H5OH + 2CO2 + energy 25 °C. The reaction above represented by the equation above is useful in the production of 

A)  

propanol

B)  

butanol

C)  

methanol

D)  

ethanol

How to solve?

Question 155

An organic compound has an empirical formula CH2O and vapour density of 45. What is the molecular formula? [C = 12, H = 1, O = 16]

A)  

C3H7OH

B)  

C2H5OH

C)  

C3H6O3

D)  

C2H4O2

How to solve?

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