The colour of phenolphthalein indicator in alkaline solution at the end-point of an acid-base titration is? by Sunday | May 8 | Chemistry WAEC | 0 comments A. colourless B. orange C. pink D. yellow Correct Answer: Option A A. colourless Users Also Read These:Assuming that brown colour is dominant over black…The green colour solution of Fe²+ salt changes to a…Assuming that in sheep, the allele for black coat…BCH 111 Theory Question: pH and pOH Calculation -…What is the colour of phenolphthalein indicator in a…