# Which of the following is a triphenylmethane dye ?

$(a)\;Alizarin\qquad(b)\;Indigo\qquad(c)\;Aniline\;yellow\qquad(d)\;Malachite\;green$

Answer : Malachite green
Explanation :
Malachite green is a triphenylmethane dye . As the name suggests , these dyes contain a triphenytmethane group in their molecules .
answered Mar 17, 2014 by