What colour is methyl orange in an acidic solution?
Answer and explanation
Correct answer: Red
Methyl orange is an acid–base indicator. Its colour changes according to pH: it is red in an acidic solution and yellow in an alkaline solution, with an intermediate transition range. Since the question specifies an acidic medium, option A, red, is correct. Yellow describes its basic-side colour, while green and blue are not the standard observations for methyl orange.
Frequently asked questions
What is the correct answer to this question?
Red
Why is this the correct answer?
Methyl orange is an acid–base indicator. Its colour changes according to pH: it is red in an acidic solution and yellow in an alkaline solution, with an intermediate transition range. Since the question specifies an acidic medium, option A, red, is correct. Yellow describes its basic-side colour, while green and blue are not the standard observations for methyl orange.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Acids, Bases, and Salts.
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