The property/properties that show irregularity in the first four elements of group-17 are:
Show Hint
- Covalent radius
- Electron affinity
- Ionic radius
First ionization energy
The Correct Option is C
Solution and Explanation
- F<Cl<Br<I (Covalent radius)
- Cl>F>Br>I (Electron affinity)
- F<Cl<Br<I (Ionic radius)
- F>Cl>Br>I (First ionization energy)
Top Questions on Periodic Table
Match the LIST-I with LIST-II.
LIST-I LIST-II A. Pnicogen (group 15) I. Ts B. Chalcogen (group 16) II. Og C. Halogen (group 17) III. Lv D. Noble gas (group 18) IV. Mc Choose the correct answer from the options given below :
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B. The process of removing an electron from an isolated gaseous atom is always endothermic
C. The 1st ionization energy of the boron is less than that of the beryllium
D. The electronegativity of C is 2.5 in $ CH_4 $ and $ CCl_4 $
E. Li is the most electropositive among elements of group 1
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