Q40.Which one of the following statements is FALSE for hydrophilic sols? (1) These sols are reversible in nature. (2) Their viscosity is of the order of that of H2O . (3) The sols cannot be easily coagulated. (4) They do not require electrolytes for stability.
What This Question Tests
Tests the characteristic properties of hydrophilic sols, including their reversibility, viscosity, and stability against coagulation by electrolytes.
Concepts Tested
📚 NCERT Sections This Tests
1.1 — Define The Term Solution. How Many Types Of Solutions Are Formed? Write Briefly
Chemistry Class 11 · Chapter 1
1.1 Define the term solution. How many types of solutions are formed? Write briefly about each type with an example.
4.13 — How Is The Variability In Oxidation States Of Transition Metals Different From
Chemistry Class 11 · Chapter 4
4.13 How is the variability in oxidation states of transition metals different from that of the non transition metals? Illustrate with examples.
4.11 — Explain Giving Reasons:
Chemistry Class 11 · Chapter 4
4.11 Explain giving reasons: (i) Transition metals and many of their compounds show paramagnetic behaviour. (ii) The enthalpies of atomisation of the transition metals are high. (iii) The transition metals generally form coloured compounds. (iv) Transition metals and their many compounds act as good catalyst.
📋 Question Details
- Chapter
- Surface Chemistry
- Topic
- Colloids (Hydrophilic Sols)
- Year
- 2021
- Shift
- 25 Feb Shift 2
- Q Number
- Q40
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 5: Surface Chemistry
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