Frequently Asked Questions on Methyl Orange
What is the Original Colour of Methyl Orange?
The original colour of methyl orange is orange colour.
What is the Nature of Methyl Orange?
The nature of methyl orange is acidic.
What is Methyl Orange best used for?
Methyl orange is best used for pH indicator for titration. It is used in laboratories as well as industries.
Is Methyl Orange toxic?
Methyl orange can be toxic or fatal if it is swallowed. It can cause Nausea, vomiting, diarrhoea etc.
Is Methyl Orange Soluble in Water?
Yes, methyl orange is soluble in water.
How to Prepare Methyl Orange from Sulfanilic Acid?
To produce methyl orange from sulfanilic acid and N, N -dimethylaniline, a reaction named diazonium coupling reaction is used. In presence of HCl, sulfanilic acid and sodium nitrate react and Then the prepared diazotized sulfanilic acid is treated with N, N-dimethyl aniline to get the desired product that is methyl orange.
What is Chemical Formula of Methyl Orange?
The chemical name of Methyl Orange is C14H14N3NaO3S.
Which Colour Methyl Orange gives in Acid and Base?
Methyl orange is found in orange colour. In acid, methyl orange turns into red and in base solution and turns into yellow colour in base
What is the difference between Phenolphthalein and Methyl Orange?
The difference between the methyl orange and phenolphthalein are described below
- pH value of Methyl Orange ranges from 3.1 to 4.4 while that of phenolphthalein ranges from 8.2 to 10
- In Acidic Solution, Methyl Orange becomes red coloured while phenolphthalein is colourless
- In basic solution, Methyl Orange becomes yellow coloured while phenolphthalein is pink
- pKa of Methyl Orange is 3.5 while that of phenolphthalein is 9.4
Methyl Orange
Methyl Orange is an azo dye which is soluble in water. It is an organic compound composed of carbon, hydrogen, nitrogen, sodium, oxygen and sulphur. Methyl Orange doesn’t react permanently with acids or bases. Its effective pH value ranges from pH 3.1 to pH 4.4. Methyl orange is not similar to litmus paper because methyl orange has a very low range compared to litmus. Methyl orange doesn’t have a full spectrum of colors.
Table of Content
- What is Methyl Orange?
- Structure of Methyl Orange
- General Properties of Methyl Orange
- Preparation of Methyl Orange
- Methyl Orange Indicator
- Difference between Phenolphthalein and Methyl Orange
- Applications of Methyl Orange
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