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Solution


Q.

Identify the correct statements about p-block elements and their compounds.

 

(A) Non metals have higher electronegativity than metals.

(B) Non metals have lower ionisation enthalpy than metals.

(C) Compounds formed between highly reactive non metals and highly reactive metals are generally ionic.

(D) The non metal oxides are generally basic in nature.

(E) The metal oxides are generally acidic or neutral in nature.

 

Choose the correct answer from the options given below:                 [2024]
1 (D) and (E) only  
2 (B) and (E) only  
3 (B) and (D) only  
4 (A) and (C) only  

Ans.

(4)

Non metals are more electronegative than metals. Non metal oxides (such as SO3, CO2 etc) are acidic and metal oxides (such as Na2O, CaO etc ) are basic. Compounds formed between highly electronegative (non metals) and highly electropositive (metals) elements are ionic (such as NaCl).