Neco Model Questions Vol1 2022 Chemistry Question 32

Practice objective / multiple choice question 32 from the 2022 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2022 Chemistry Objective / Multiple Choice Easy Difficulty
Question 32 NECO_MODEL_QUESTIONS_VOL1 • 2022 • CHEMISTRY • objective

The nitrate ion \(\mathrm{NO_3^-}\) has nitrogen bonded to three oxygen atoms and carries a formal charge of +1 on nitrogen. Determine the hybridisation of the nitrogen atom and calculate the average N-O bond length, assuming a typical N-O single bond length of 1.40 Å and a double bond length of 1.20 Å.

Answer Options

Correct Answer A. sp² hybridisation; average N-O bond length ≈ 1.27 Å
B. sp³ hybridisation; average N-O bond length ≈ 1.33 Å
C. sp hybridisation; average N-O bond length ≈ 1.20 Å
D. sp² hybridisation; average N-O bond length ≈ 1.35 Å
Correct Answer
A
Correct Option:
sp² hybridisation; average N-O bond length ≈ 1.27 Å

About This Question

This is Neco Model Questions Vol1 2022 Chemistry Question 32. It is one of the objective questions from the 2022 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Easy .

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