Hydrocarbons Question 39
Question: A reagent used to test for unsaturation of allkene is [BHU 2004]
Options:
A) conc. $ H_2SO_4 $
B) Ammonical $ Cu_2Cl_2 $
C) Ammonical $ AgNO_3 $
D) Solution of $ Br_2 $ in $ CCl_4 $
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Answer:
Correct Answer: D
Solution:
Solution of bromine in carbon tetrachloride is used to test for unsaturation of alkene.
Red colour of bromine disappears due to the formation of colourless dibromo ethane $ (C_2H_4Br_2) $ .
BETA
