1.

A reagent used to test for unsaturation of alkene isA. Conc. `H_2SO_4`B. Ammoniacal `Cu_2Cl_2`C. Ammoniacal `AgNO_3`D. Solution of `Br_2` in `C Cl_4`

Answer» Correct Answer - D
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)`


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