Ijmb Model Questions Vol1 2018 Chemistry Question 2

Practice essay / theory question 2 from the 2018 Ijmb Model Questions Vol1 Chemistry examination. This question covers periodic table, chemical bonding, oxidation‑state, VSEPR theory, redox reactions .

Ijmb Model Questions Vol1 2018 Chemistry Essay / Theory
Topics: periodic table chemical bonding oxidation‑state VSEPR theory redox reactions
Question 2 IJMB_MODEL_QUESTIONS_VOL1 • 2018 • CHEMISTRY • essay
Ijmb Model Questions Vol1 2018 Chemistry Question 2 diagram

The diagram shows the Lewis structure of the chlorate ion, ClO₃⁻.

Question Parts

( a )
State the oxidation number of chlorine in the chlorate ion.
( b )
Predict the molecular geometry of the chlorate ion using VSEPR theory and give the approximate bond angle.
( c )
Explain, with reference to periodic trends, why chlorine can exhibit a +5 oxidation state in ClO₃⁻ whereas fluorine never exhibits a positive oxidation state.
( d )
In acidic medium, chlorate ion is reduced to chloride ion and water. Write the balanced redox equation for this reduction, showing the number of electrons transferred.

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About This Question

This is Ijmb Model Questions Vol1 2018 Chemistry Question 2. It is one of the essay questions from the 2018 Ijmb Model Questions Vol1 Chemistry examination.

The question covers periodic table, chemical bonding, oxidation‑state, VSEPR theory, redox reactions .

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