Q38.The correct statements among I to III regrading group 13 element oxides are, (I) Boron trioxide is acidic. (II) Oxides of aluminum and gallium are amphoteric. (III) Oxides of indium and thallium are basic. (1) (I) and (III) only (2) (I) and (II) only (3) (I), (II) and (III) (4) (II) and (III) only
What This Question Tests
This question assesses the understanding of the trends in acidic, basic, and amphoteric nature of oxides for Group 13 elements as one moves down the group.
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.
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.
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.
📋 Question Details
- Chapter
- p-block Elements
- Topic
- Group 13 elements
- Year
- 2019
- Shift
- 09 Apr Shift 2
- Q Number
- Q38
- Type
- MCQ
- NCERT Ref
- Class 11 Chemistry Ch 11: The p-Block Elements
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