Aqueous bromine was added to a sample of ethene. Give the colour change seen. from ......................................................... to ........................................................
Exam No：0620_w20_qp_41 Year：2020 Question No：6(d)(i)
Answer:
from: orange (1)
to: colourless (1)
to: colourless (1)
Knowledge points:
11.5.4. Describe the test to distinguish between saturated and unsaturated hydrocarbons by their reaction with aqueous bromine
Solution:
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