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प्रश्न
For alkali metals, which one of the following trends is incorrect?
विकल्प
Hydration energy: Li > Na > K > Rb
Ionisation energy: Li > Na > K > Rb
Density: Li < Na < K < Rb
Atomic size: Li < Na < K < Rb
उत्तर
Density: Li < Na < K < Rb
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संबंधित प्रश्न
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Match List-I with List-II.
| List-I | List-II |
| (Metal) | (Emitted light wavelength (nm)) |
| (a) Li | (I) 780.0 |
| (b) Na | (II) 455.5 |
| (c) Rb | (III) 670.8 |
| (d) Cs | (IV) 589.2 |
Choose the most appropriate answer from the options given below:
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