Chemistry Practicals Class 12
Qualitative Analysis of Cations
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- In this salt analysis practical, you will experience a real-life scenario while doing the experiment.
- You will understand the meaning and examples of cations.
- You will understand various tests to determine the cation by observing the change in colour, formation of a precipitate, or evolution of gas present in a given salt.
- You will understand the chemical reactions and learn balancing chemical equations that take place during each test.
- You will acquire the skills to extract cations with different group reagents in the form of a precipitate.
- Using our chemistry virtual lab, you have a real-lab-like experience while conducting or performing experiments.
Qualitative analysis is mainly concerned with the detection and identification of constituents of an inorganic compound or a mixture of substances. The systematic analysis of cations is an integral part of the salt analysis (or systematic qualitative analysis). The inorganic mixture given for analysis is made from such components, which, on dissolving in water, split up into two types of charged particles, one carrying a negative charge called anion or acidic radical and the other carrying a positive charge known as cation or basic radical.
To conduct a qualitative analysis of an inorganic mixture, several experiments are performed to detect the presence of acidic and basic radicals present in it, known as tests. The cations are classified into five groups based on their behaviour against some reagents. By the systematic use of these group reagents, we can decide about the presence or absence of a group of cations and can also separate these groups for further examination.
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Requirements for this Science Experiment
⦁ Centrifuge Machine ⦁ Centrifuge Tube ⦁ Platinum Wire Loop ⦁ Test Tubes ⦁ Test Tube Holder ⦁ Bunsen Burner ⦁ Glass Rod ⦁ Droppers