Textile Engineering > GATE 2012 > Dyeing
Consider the following Assertion [a] and Reason [r]
[a] In the case of dyeing of cotton with reactive dyes, formation of hydrolyzed dye is a major problem.
[r] In an alkaline medium, the reactive dye reacts with the hydroxyl groups irrespective of whether these are from cellulose or water.
Determine the correctness or otherwise of the above Assertion [a] and Reason [r]
[a] In the case of dyeing of cotton with reactive dyes, formation of hydrolyzed dye is a major problem.
[r] In an alkaline medium, the reactive dye reacts with the hydroxyl groups irrespective of whether these are from cellulose or water.
Determine the correctness or otherwise of the above Assertion [a] and Reason [r]
Correct : b
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