1.

Colouration of Br_(2)//C Cl_(4) will be discharged by

Answer»

Cinnamic acid<BR>Benzoic acid
o-phthalic acid
Acetophenone

Solution :Cinnamic acid reacts with bromine in carbon tetrachloride to give dibromocinnamic acid.
`C_(6)H_(5)CH=CHCOOH+Br_(2) overset(C Cl_(4))to UNDERSET("Dibromocinnamic acid")(C_(6)H_(5)-overset(Br)overset(|)(CH)-overset(Br)overset(|)(C)HCOOH)`


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