Chemistry Practice Test – Organic Chemistry

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Chemistry Practice Test – Organic Chemistry

Hello and Welcome to Chemistry Practice Test - Organic Chemistry

  1. You are to attempt 5 random objectives questions ONLY.
  2. Supply Your Full Name and Location in the text box below and begin immediately.
  3. You can attempt as many times as possible
1. 


Determine the molecular formula of a compound whose vapour density and empirical formula are 90 and CH2O respectively. (JAMB 2020)

A. C4H8O2
B. C12H22O11
C. C6H12O6
D. C6H10O5

2. 


What is the molar mass of the alkyne with the formula CxH14? [H = 1, C = 12]. (JAMB 2020)

A. 96 g
B. 86 g
C. 110 g
D. 92 g

3. 


The process by which starch is converted to ethanol is _____ (JAMB 2021)

A. distillation
B. hydration
C. dehydration
D. fermentation

4. 


Which of the following methods is used to obtain alkanol from alkene? (JAMB 2022)

A. Dehydration
B. Hydrolysis
C. Hydration
D. Fermentation

5. 


2H2 + O2 → 2H2O

If 50 cm3 of hydrogen is sparked with 75 cm of oxygen, the volume of the unreacted oxygen is _____ (JAMB 2022)

A. 50 cm3
B. 25 cm3
C. 30 cm3
D. 100 cm3

 

 

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