Q17 / 75 · JEE Main 2020 (04 Sep Shift 2) · Chemistry

A sample of red ink (a colloidal suspension) is prepared by mixing eosine dye, egg white, $HCHO$ and water. The component which ensures stability of the ink sample is :

Correct answer
A
Egg white
B
Water
C
$HCHO$
D
Eosin dye

Solution

Blue ink is a colloidal sol, so it can be stabilised by material like natural gum or Egg white/albumen.

Hence, the correct answer is option: 'A'.

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