JEE Mains · Chemistry · STD 11 - 3. Classification of elements and periodicity in properties
Which of the following represents the correct trend for the mentioned property?
A. \( F>P>S>B \) - First Ionization Energy
B. \( Cl>F>S>P \) - Electron Affinity
C. \( K>Al>Mg>B \) - Metallic character
D. \( K_{2}O>Na_{2}O>MgO>Al_{2}O_{3} \) - Basic character
Choose the correct answer from the option given below.
- A A, B and D only
- B A, B, C and D
- C A and B only
- D B and C only
Answer & Solution
Correct Answer
(A) A, B and D only
Step-by-step Solution
Detailed explanation
→ On moving left to right in a period IE increases and from top to bottom in a group IE decreases. \( F>P>S>B \) (IE order) → On moving left to right in a period metallic and basic character decreases. \( K>Mg>Al>B \) (Metallic character order) On moving top to bottom in a group…
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