| Consider the following reaction: |
 \[\xrightarrow{O{{H}^{-}}}\] \['\,X\,'\] The product 'X' is used
|
| [JEE MAIN Held on 07-01-2020 Morning] |
A) In acid base titration as an indicator
B) In protein estimation as an alternative to ninhydrin
C) In laboratory test for phenols
D) As food grade colourant
Correct Answer: A
Solution :
[a]  |
| Formed product is methyl orange and it is used as an indicator in acid base titrations. |
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