AP EAMCET · Chemistry · Surface Chemistry
Which of the following is not correct?
- A Milk is a naturally occurring emulsion
- B Gold sol is a lyophilic sol
- C Physical adsorption decreases with rise in temperature
- D Chemical adsorption is unilayered
Answer & Solution
Correct Answer
(B) Gold sol is a lyophilic sol
Step-by-step Solution
Detailed explanation
Gold is a lyophobic sol.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- Match the following reagents with the products obtained when they reacted with a ketone.
\begin{array}{|l|l|l|l|}\hline {|c|}{ List-I } & {c|}{ List-II } \\\hline A. & \mathrm{C}_6 \mathrm{H}_5 \mathrm{NHNH}_2 & I. & Schiff base \\\hline B. & \mathrm{NH}_2 \mathrm{OH} & II. & Hydrazone \\\hline C. & \mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2 & III. & Oxime \\\hline & & IV. & Phenyl hydrazone \\\hline\end{array}
Correct answer isAP EAMCET 2024 Medium - Observe the following complexes
\(\begin{aligned}
& {\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-},\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{-3},\left[\mathrm{Co}\left(\mathrm{C}_2 \mathrm{O}_4\right)_3\right]^{3-},\left[\mathrm{MnCl}_6\right]^{3-},} \\
& {\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{4-},\left[\mathrm{CoF}_6\right]^{3-}}
\end{aligned}\)
From the above, the number of inner orbital complexes with paramagnetic nature isAP EAMCET 2023 Medium - The osmotic pressure of sea water is 1.05 atm . Four experiments were carried as shown in table. In which of the following experiments, pure water can be obtained in part-II of vessel.
AP EAMCET 2024 Hard - Among the following species, correct set of isostructural pairs are
\(\mathrm{XeO}_3, \mathrm{CO}_3^{2-}, \mathrm{SO}_3, \mathrm{H}_3 \mathrm{O}^{+}, \mathrm{ClF}_3\)AP EAMCET 2024 Medium - The correct order of atomic radii of the elements \(\mathrm{O}, \mathrm{N}, \mathrm{S}\) and \(\mathrm{P}\) isAP EAMCET 2022 Easy
- The reactions which occur in blast furnace at \(500-800 \mathrm{~K}\) during extraction of iron from haematite are
(i) \(3 \mathrm{Fe}_2 \mathrm{O}_3+\mathrm{CO} \rightarrow 2 \mathrm{Fe}_3 \mathrm{O}_4+\mathrm{CO}_2\)
(ii) \(\mathrm{Fe}_2 \mathrm{O}_3+3 \mathrm{C} \rightarrow 2 \mathrm{Fe}+3 \mathrm{CO}\)
(iii) \(\mathrm{Fe}_3 \mathrm{O}_4+4 \mathrm{CO} \rightarrow 3 \mathrm{Fe}+4 \mathrm{CO}_2\)
(iv) \(\mathrm{Fe}_2 \mathrm{O}_3+\mathrm{CO} \rightarrow 2 \mathrm{FeO}+\mathrm{CO}_2\)AP EAMCET 2024 Medium
More PYQs from AP EAMCET
- Current sensitivities of two galvanometers \(\mathrm{G}_1\) and \(\mathrm{G}_2\) of resistances \(100 \Omega\) and \(50 \Omega\) are \(10^8 \mathrm{div} / \mathrm{A}\) and \(0.5 \times 10^5 \mathrm{div} / \mathrm{A}\) respectively. The galvanometer in which the voltage sensitivity is more isAP EAMCET 2024 Hard
- If \((\alpha, \beta, \gamma)\) is the solution of the system of simultaneous linear equations given by \(3 x+4 y-5 z=-6,2 x+3 y-4 z+7=0,4 x-2 y+z=9\) then \(\alpha+3 \beta-2 \gamma=\)AP EAMCET 2017 Easy
- \(\int \frac{\sqrt{2} \sin x}{\sin \left(x+\frac{\pi}{4}\right)} d x\) is equal toAP EAMCET 2021 Medium
- A circle is drawn touching the \(X\)-axis, with its centre at the point of reflection of \((m, n)\) on the line \(y-x=0\). Then the equation of the circle isAP EAMCET 2020 Medium
- The number of ways in which 3 men and 3 women can be arranged in a row of 6 seats, such that the first and last seats must be filled by men isAP EAMCET 2024 Easy
- If \(\sin \left(5 x+\frac{\pi}{4}\right)=0\), then \(x\) is equal toAP EAMCET 2021 Easy