Igcse Model Questions Vol1 2020 Chemistry Question 16

Practice objective / multiple choice question 16 from the 2020 Igcse Model Questions Vol1 Chemistry examination.

Igcse Model Questions Vol1 2020 Chemistry Objective / Multiple Choice Medium Difficulty
Question 16 IGCSE_MODEL_QUESTIONS_VOL1 • 2020 • CHEMISTRY • objective

A compound X is formed from a metal M (atomic mass (55\ \text{u}\)) and a non‑metal N (atomic mass (14\ \text{u}\)). The solid has a melting point of 800 °C and conducts electricity when molten but not in the solid state. Assuming the simplest whole‑number ratio of atoms, determine the type of chemical bond in X and write the empirical formula of the compound.

Answer Options

Correct Answer A. Ionic bond; empirical formula \(\mathrm{MN}\)
B. Ionic bond; empirical formula \(\mathrm{M_2N_3}\)
C. Covalent bond; empirical formula \(\mathrm{M_2N}\)
D. Metallic bond; empirical formula \(\mathrm{MN_2}\)
Correct Answer
A
Correct Option:
Ionic bond; empirical formula \(\mathrm{MN}\)

About This Question

This is Igcse Model Questions Vol1 2020 Chemistry Question 16. It is one of the objective questions from the 2020 Igcse Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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