JEE Main Chemistry question
Not in JEE Main or NEET syllabus
From the given sols, how many can coagulate the haemoglobin sol?
, , , starch, clay, , CdS, basic dye
Answer: 4
Solution
Haemoglobin sol is positively charged, so it is coagulated (through mutual neutralisation) only by sols or ions that are negatively charged. Among the list, starch, clay, and CdS are negatively
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