Mnemonic Device for colour change of Indicators in Acid and Base.

Mnemonic device colour change of acid and base

Indicator	ACID	BASE
Methyl Orange	RED	YELLOW
Bromothymol Blue	YELLOW	BLUE
Phenolphthalein	COLOURLESS	PINK

Now how to remember colour change of indicators on acid and base?

There is mnemonic device to remember them !!!

PMS

Acid = AC = Freeze

Base = Buffalo

Methyl Orange = Orange

Bromothymol Blue = Thigh 

Phenolphthalein = Phenol

Mnemonic device starts now… (Please imagine as much as you can. All what you need is imagination)

Methyl Orange – Imagine that you are putting orange on freeze. Where will you put? In the bucket where there are RED apples.

We know that we give orange to buffalos when they are rotten and YELLOW.

Bromothymol Blue – Imagine that you are watching your brother’s thigh inside freeze and seeing YELLOW. Because there is too cold.

Now, you showed your brother’s thigh to buffalo then it kicked and became BLUE.

Phenolphthalein – Imagine there is phenol inside freeze. That is colourless. Why? Because there is no reason to be coloured.

You threw phenol on buffalo’s eye. It got pink.

Recommended Additional readings :

 1. Imagination Exericses.