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7 Organic chemistry

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Question 37

A museum educator is sorting four molecular-model cards. Each card shows the displayed formula of a molecule.

SampleDisplayed formula
AH∣H−C−H∣H\begin{array}{ccccc} & \text{H} & & & \\ & \vert{} & & & \\ \text{H}- & \text{C} & - & \text{H} & \\ & \vert{} & & & \\ & \text{H} & & & \end{array}H−​H∣C∣H​−​H​​
BHH∣∣H−C=C−H\begin{array}{ccccc} & \text{H} & & \text{H} & \\ & \vert{} & & \vert{} & \\ \text{H}- & \text{C} & = & \text{C} & -\text{H} \end{array}H−​H∣C​=​H∣C​−H​
CHH∣∣H−C−C−H∣∣HH\begin{array}{ccccc} & \text{H} & & \text{H} & \\ & \vert{} & & \vert{} & \\ \text{H}- & \text{C} & - & \text{C} & -\text{H} \\ & \vert{} & & \vert{} & \\ & \text{H} & & \text{H} & \end{array}H−​H∣C∣H​−​H∣C∣H​−H​
DHHH∣∣∣H−C−C−C−H∣∣∣HHH\begin{array}{ccccccc} & \text{H} & & \text{H} & & \text{H} & \\ & \vert{} & & \vert{} & & \vert{} & \\ \text{H}- & \text{C} & - & \text{C} & - & \text{C} & -\text{H} \\ & \vert{} & & \vert{} & & \vert{} & \\ & \text{H} & & \text{H} & & \text{H} & \end{array}H−​H∣C∣H​−​H∣C∣H​−​H∣C∣H​−H​

Which sample contains the alkene functional group?

[1]
A

Sample B

B

Sample A

C

Sample D

D

Sample C

Markscheme

7 Organic chemistry Questions

  1. GCSE
  2. /Chemistry
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