Prelab Brief
To study the reactivity of metals (Zn, Fe, Cu, Mg) with dilute acids and to arrange them in order of reactivity.
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Theory
Test reactivity of different metals with acids, water, and salt solutions. To study the reactivity of metals (Zn, Fe, Cu, Mg) with dilute acids and to arrange them in order of reactivity.
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Formula
Principle: To study the reactivity of metals (Zn, Fe, Cu, Mg) with dilute acids and to arrange them in order of reactivity.
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Aim
To study the reactivity of metals (Zn, Fe, Cu, Mg) with dilute acids and to arrange them in order of reactivity.
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Apparatus
- Test tubes
- Dilute HCl
- Dilute H₂SO₄
- Metal samples: Zinc, Iron, Copper, Magnesium
- Delivery tube
- Soap solution (for hydrogen testing)
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Procedure
- Add dilute HCl to each metal sample in separate test tubes.
- Observe the rate of hydrogen gas evolution.
- Test the gas with a burning splint (pop sound = H₂).
- Record observations and arrange metals by reactivity.
Pre-Lab Questions
What is the main aim of the Chemical Reactivity Workstation Experiment?
Which principle is demonstrated in the Chemical Reactivity Workstation Experiment?
What apparatus is required for this experiment?
Why is Test tubes used in this experiment?
What formula or relationship is verified in this experiment?
What precaution should be followed while performing this experiment?
What conclusion can be drawn from the Chemical Reactivity Workstation Experiment?