Q32.Which pair of oxides is acidic in nature? (1) B2O3, CaO (2) N2O, BaO (3) CaO, SiO2 (4) B2O3, SiO2
What This Question Tests
The question assesses knowledge of periodic trends in electron gain enthalpy, particularly the exception for oxygen compared to sulfur due to its small size and electron-electron repulsion.
Concepts Tested
📚 NCERT Sections This Tests
14.2 — Which Of The Statements Given In Exercise 14.1 Is True For P-Type
Physics Class 12 · Chapter 14
14.2 Which of the statements given in Exercise 14.1 is true for p-type semiconductos.
14.1 — In An N-Type Silicon, Which Of The Following Statement Is True:
Physics Class 12 · Chapter 14
14.1 In an n-type silicon, which of the following statement is true: (a) Electrons are majority carriers and trivalent atoms are the dopants. (b) Electrons are minority carriers and pentavalent atoms are the dopants. (c) Holes are minority carriers and pentavalent atoms are the dopants. (d) Holes are majority carriers and trivalent atoms are the dopants.
7.14 — Give Two Reactions That Show The Acidic Nature Of Phenol. Compare Acidity
Chemistry Class 12 · Chapter 7
7.14 Give two reactions that show the acidic nature of phenol. Compare acidity of phenol with that of ethanol.
📋 Question Details
- Chapter
- Periodic Table & Properties
- Topic
- Electron gain enthalpy
- Year
- 2021
- Shift
- 26 Feb Shift 2
- Q Number
- Q32
- Type
- MCQ
- NCERT Ref
- Class 11 Chemistry Ch 3: Classification of Elements and Periodicity in Properties
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