Q27.In general, the property (magnitudes only) that shows an opposite trend in comparison to other properties across a period is : (1) lonization enthalpy (2) Electronegativity (3) Electron gain enthalpy (4) Atomic radius
What This Question Tests
This question tests fundamental knowledge of periodic trends in atomic properties, specifically how ionization enthalpy, electronegativity, electron gain enthalpy, and atomic radius vary across a period.
Concepts Tested
📚 NCERT Sections This Tests
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.
12.7 — The Radius Of The Innermost Electron Orbit Of A Hydrogen Atom Is
Physics Class 12 · Chapter 12
12.7 The radius of the innermost electron orbit of a hydrogen atom is 5.3×10–11 m. What are the radii of the n = 2 and n =3 orbits?
📋 Question Details
- Chapter
- Periodic Table & Properties
- Topic
- Periodic trends of atomic properties
- Year
- 2020
- Shift
- 02 Sep Shift 1
- Q Number
- Q27
- Type
- MCQ
- NCERT Ref
- Class 11 Chemistry Ch 3: Classification of Elements and Periodicity in Properties
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