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JEE Main Chemistry Class 12 The P Block Elements (15-18) Part 2 Questions
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Question : 1
Total: 84
Identify the incorrect statements about group 15 elements :
(A) Dinitrogen is a diatomic gas which acts like an inert gas at room temperature.
(B) The common oxidation states of these elements are
−
3
,
+
3
and +5 .
(C) Nitrogen has unique ability to form
p
π
−
p
π
multiple bonds.
(D) The stability of +5 oxidation states increases down the group.
(E) Nitrogen shows a maximum covalency of 6.
Choose the correct answer from the options given below.
[8 Apr 2024 Shift 2]
(A), (B), (D) only
(A), (C), (E) only
(B), (D), (E) only
(D) and (E) only
Validate
Solution:
(D) Due to inert pair effect lower oxidation state is more stable.
(E) Nitrogen belongs to
2
nd
period and cannot expand its octet.
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