06. A student investigated one property of the alkanes CH CH and CuHa This is the method used
1. Pour 20 cm of C. Ha into a separating funnel.
2. Open the top of the separating funnel and start a timer
3. Stop the time when the level ofC. Ha reaches line X
4. Repeat steps 1 to 3 with CH and CH
Figure 5 shows the apparatus used.
Figures
Separating funnel
20 cm C. HU
Line X
Tap
The level of Cho takes 6.4 seconds to reach line X
Predict the trend in times for the other two alkanes.
Give one reason for your answer
[2 marks]
Trend
Reason