Igcse Model Questions Vol1 2024 Chemistry Question 2

Practice practical question 2 from the 2024 Igcse Model Questions Vol1 Chemistry examination. This question covers Periodic table, Identification of elements, Periodic trends .

Igcse Model Questions Vol1 2024 Chemistry Practical
Topics: Periodic table Identification of elements Periodic trends
Question 2 IGCSE_MODEL_QUESTIONS_VOL1 • 2024 • CHEMISTRY • practical

A colourless aqueous solution of an unknown metal chloride is examined using the following observations: 1. Flame test – a bright brick‑red colour is observed. 2. Adding dilute hydrochloric acid produces a steady stream of bubbles. 3. Adding a few drops of sodium carbonate solution results in the formation of a white precipitate. 4. The solution remains colourless throughout the tests. Using the observations above, answer the following questions.

Question Parts

( a )
Identify the metal ion present in the solution. Write its chemical symbol.
( b )
State the group number and period of the identified element in the modern periodic table.
( c )
Compare the first ionisation energy of the identified element with that of sodium (Na). State whether it is higher or lower and give a brief justification using periodic trends.
( d )
Suggest one practical precaution that should be taken when performing the flame test to avoid contamination of the result.

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About This Question

This is Igcse Model Questions Vol1 2024 Chemistry Question 2. It is one of the practical questions from the 2024 Igcse Model Questions Vol1 Chemistry examination.

The question covers Periodic table, Identification of elements, Periodic trends .

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