Which of the following can not act
as indicator?
• Methyl chloride
• Methyl orange
• Phenolphthalein
• Turmeric juice
Answers
Answered by
4
Answer :
- a) Methyl chloride
Explanation:
An indicator is a substance that shows the presence of an acid or base by bringing a change in its colour or odour when mixed with any such solution . A most common example of indicator is litmus paper .
The indicator that works on odour , i.e. changes its smell in acidic or basic medium is called olfactory indicator.
Apart from methyl chloride , all three - Methyl orange , Phenolphthalein and turmeric juice are indicators .
Following are the changes observed with these indicators :
Methyl orange :
- With acid → Red
- With base → Yellow
Phenolphthalein :
- With acid → Colourless
- With base → Pink
Turmeric juice :
- With acid → Yellow
- With base → Red
Answered by
4
Answer:
a)mythl chloride is the right answer
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