NEET UG 2018 · Chemistry · Question 75
NEET 2018 Chemistry, question 75
Question 75 of the NEET 2018 paper (code AA) is a Chemistry question from Surface Chemistry. Its idea, Coagulation and the Hardy-Schulze Rule, was asked twice, in 2018 and 2022, across NEET 2017–2026. The CBSE official answer key gives option 1.
Updated 2026-10-08
Q75 · Chemistry
On which of the following properties does the coagulating power of an ion depend ?
- 1Both magnitude and sign of the charge on the ionOfficial answer
- 2Size of the ion alone
- 3The magnitude of the charge on the ion alone
- 4The sign of charge on the ion alone
Official answer: option 1 · CBSE official answer key
Same idea
Coagulation and the Hardy-Schulze Rule, in other papers
NEET asked this idea twice, in 2018 and 2022. The other question below.
- 2022 Q59Given below are two statements : Statement I : In the coagulation of a negative sol, the flocculating power of the three given ions is in…Two statements · Medium
Coagulation and the Hardy-Schulze Rule: every question and how it was framed
The chapter
Surface Chemistry in ten years of NEET
8 questions from 2017–2026, asked in 7 of 10 papers, about 0.8 a paper. Surface Chemistry and Colloids alone had 8.