Neco 2020 Chemistry Question 2

Practice practical question 2 from the 2020 Neco Chemistry examination. This question covers Periodic Table .

Neco 2020 Chemistry Practical

Topic: Periodic Table

Question 2 NECO • 2020 • CHEMISTRY • practical

A student performed a flame test on an unknown inorganic salt dissolved in distilled water. The following observations were recorded: - The flame produced a bright yellow colour. - When the emission spectrum of the flame was examined with a spectroscope, a strong yellow line at a wavelength of 589 nm was noted. Answer the questions that follow.

( a )

Identify the metal ion present in the unknown salt.

( b )

State the period and group of this element in the periodic table.

( c )

Suggest a simple qualitative test that could be used to confirm the presence of this ion in the sample.

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This is Neco 2020 Chemistry Question 2. It is one of the practical questions from the 2020 Neco Chemistry examination.

The question covers Periodic Table .

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