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Organic chemistry

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Question 19

Ethene, C2H4\text{C}_2\text{H}_4C2​H4​, reacts with chlorine in an addition reaction.

What is the displayed formula of the product?

A
ClCl∣∣H−C=C−H∣∣HH \begin{array}{ccccccc} & & \text{Cl} & & \text{Cl} & & \\ & & | & & | & & \\ \text{H} & - & \text{C} & = & \text{C} & - & \text{H} \\ & & | & & | & & \\ & & \text{H} & & \text{H} & & \end{array} H​−​Cl∣C∣H​=​Cl∣C∣H​−​H​
B
ClCl∣∣H−C−C−H∣∣ClCl \begin{array}{ccccccc} & & \text{Cl} & & \text{Cl} & & \\ & & | & & | & & \\ \text{H} & - & \text{C} & - & \text{C} & - & \text{H} \\ & & | & & | & & \\ & & \text{Cl} & & \text{Cl} & & \end{array} H​−​Cl∣C∣Cl​−​Cl∣C∣Cl​−​H​
C
ClCl∣∣H−C−C−H∣∣HH \begin{array}{ccccccc} & & \text{Cl} & & \text{Cl} & & \\ & & | & & | & & \\ \text{H} & - & \text{C} & - & \text{C} & - & \text{H} \\ & & | & & | & & \\ & & \text{H} & & \text{H} & & \end{array} H​−​Cl∣C∣H​−​Cl∣C∣H​−​H​
D
HH∣∣H−C−C−H∣∣HH \begin{array}{ccccccc} & & \text{H} & & \text{H} & & \\ & & | & & | & & \\ \text{H} & - & \text{C} & - & \text{C} & - & \text{H} \\ & & | & & | & & \\ & & \text{H} & & \text{H} & & \end{array} H​−​H∣C∣H​−​H∣C∣H​−​H​
Markscheme

Organic chemistry Questions

  1. GCSE
  2. /Chemistry
  3. /Organic chemistry

83 exam-style questions on OCR GCSE Chemistry Organic chemistry. Each one has a worked solution and a mark scheme showing where the marks go.

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