JEE Main 7 Jan 2020 Shift 1 Solved Paper

Section: Chemistry

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Question : 43 of 75

Marks: +1, -0

Consider the following reaction :

The product ’X’ is used :

[7-Jan-2020 Shift 1]

in acid base titration as an indicator
in protein estimation as an alternative to ninhydrin
in laboratory test for phenols
as food grade colourant

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