Igcse Model Questions Vol1 2018 Chemistry Question 14

Practice objective / multiple choice question 14 from the 2018 Igcse Model Questions Vol1 Chemistry examination.

Igcse Model Questions Vol1 2018 Chemistry Objective / Multiple Choice Medium Difficulty
Question 14 IGCSE_MODEL_QUESTIONS_VOL1 • 2018 • CHEMISTRY • objective
Igcse Model Questions Vol1 2018 Chemistry Question 14 diagram

The diagram shows the Lewis structure of the nitrite ion \(\mathrm{NO_2^-}\). Using the diagram, calculate (a) the bond order of each N-O bond, and (b) the formal charge on each atom.

Answer Options

A. Bond order = 1; Formal charges - N: +1, double‑bond O: -1, single‑bond O: 0
Correct Answer B. Bond order = 1.5; Formal charges - N: 0, double‑bond O: 0, single‑bond O: -1
C. Bond order = 2; Formal charges - N: 0, double‑bond O: -1, single‑bond O: -1
D. Bond order = 1.5; Formal charges - N: +1, double‑bond O: 0, single‑bond O: -2
Correct Answer
B
Correct Option:
Bond order = 1.5; Formal charges - N: 0, double‑bond O: 0, single‑bond O: -1

About This Question

This is Igcse Model Questions Vol1 2018 Chemistry Question 14. It is one of the objective questions from the 2018 Igcse Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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