Question

What is the colour of methyl orange indicator in (i) acidic medium and (ii) basic medium

Answer 1

Answer:

acidic medium !!red

basic medium!! yellow

Answer 2

Answer:

“Methyl orange indicator” shows the red color in the ‘acidic medium’ and ‘yellow color’ in the basic medium.

Explanation:

• A chemical substance that indicates the nature of the chemical substance (acid/base/neutral) are called indicators.
• Every chemical substance have some specific colour change to indicate its nature.

Some important indicators are used in chemical analysis they are listed below.

      Indicator                           Colour of indicator in

                                        Acid              Base                  Neutral

1. Litmus paper                Red                Blue               Colourless

2. Methyl orange            Red                Yellow                  Red

3. Phenolphtahlein    Colourless          Purple            Colourless

4. Bromothymol blue   Orange              Blue                 Orange