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:The colour of litmus in an alkaline medium is?The indicator used in neutralizing CH3COOH and NaOH…In a neutralization reaction involving HCI and NaOH…BCH 111 Theory Question: pH and pOH Calculation -…Assuming that brown colour is dominant over black…