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 nonmetals 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.
(A) Non metals have higher electronegativity than metals.
(B) Non metals have lower ionisation enthalpy than metals.
(C) Compounds formed between highly reactive nonmetals 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.
- (A)(D) and (E) only
- (B)(A) and (C) only✓ Correct
- (C)(B) and (E) only
- (D)(B) and (D) only
Answer: (B)
Solution
(A) True — electronegativity is higher for nonmetals than metals.
(B) False — ionisation enthalpy is *higher*, not lower, for nonmetals than metals.
(C) True — a large electronegativity difference between a highly reactive metal and nonmetal favours ionic bonding.
(D) False — nonmetal oxides are generally acidic, not basic.
(E) False — metal oxides are generally basic, not acidic/neutral.
Correct statements: (A) and (C) only.
(B) False — ionisation enthalpy is *higher*, not lower, for nonmetals than metals.
(C) True — a large electronegativity difference between a highly reactive metal and nonmetal favours ionic bonding.
(D) False — nonmetal oxides are generally acidic, not basic.
(E) False — metal oxides are generally basic, not acidic/neutral.
Correct statements: (A) and (C) only.
JEE Main · 2024 · 08 Apr 2024 · Shift 2 · Single correct option