Read and download NCERT Class 11 Chemistry Lab Manual Systematics Qualitative Analysis in NCERT book for Class 11 Chemistry. You can download latest NCERT eBooks chapter wise in PDF format free from Studiestoday.com. This Chemistry textbook for Class 11 is designed by NCERT and is very useful for students. Please also refer to the NCERT solutions for Class 11 Chemistry to understand the answers of the exercise questions given at the end of this chapter
NCERT Book for Class 11 Chemistry Lab Manual Systematics Qualitative Analysis
Class 11 Chemistry students should refer to the following NCERT Book Lab Manual Systematics Qualitative Analysis in Class 11. This NCERT Book for Class 11 Chemistry will be very useful for exams and help you to score good marks
Lab Manual Systematics Qualitative Analysis NCERT Book Class 11
SYSTEMATIC QUALITATIVE ANALYSIS
Analysis always does not mean breaking of substance into its ultimate constituents. Finding out the nature of substance and identity of its constituents is also analysis and is known as qualitative analysis. Qualitative analysis of inorganic salts means the identification of cations and anions present in the salt or a mixture of salts. Inorganic salts may be obtained by complete or partial neutralisation of acid with base or vice-versa. In the formation of a salt, the part contributed by the acid is called anion and the part contributed by the base is called cation. For example, in the salts CuSO4 and NaCl, Cu2+ and Na+ ions are cations and SO4 2– and Cl– ions are anions. Qualitative analysis is carried out on various scales. Amount of substance employed in these is different. In macro analysis, 0.1 to 0.5 g of substance and about 20 mL of solution is used. For semimicro analysis, 0.05 g substance and 1 mL solution is needed while for micro analysis amount required is very small. Qualitative analysis is carried out through the reactions which are easily perceptible to our senses such as sight and smell. Such reactions involve:
(a) Formation of a precipitate
(b) Change in colour
(c) Evolution of gas etc.
Systematic analysis of an inorganic salt involves the following steps:
(i) Preliminary examination of solid salt and its solution.
(ii) Determination of anions by reactions carried out in solution (wet tests) and confirmatory tests.
(iii) Determination of cations by reactions carried out in solution (wet tests) and confirmatory tests.
Preliminary examination of a salt often furnishes important information, which simplifies further course of analysis. Although these tests are not conclusive but sometimes they give quite important clues for the presence of certain anions or cations. These tests can be performed within 10–15 minutes. These involve noting the general appearance and physical properties, such as colour, smell, solubility etc. of the salt. These are named as dry tests. Heating of dry salt, blow pipe test, flame tests, borax bead test, sodium carbonate bead test, charcoal cavity test etc. come under dry tests. Some of these tests are given later in this unit.
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Chemistry NCERT Book Class 11 Lab Manual Systematics Qualitative Analysis
The above NCERT Books for Class 11 Chemistry Lab Manual Systematics Qualitative Analysis have been published by NCERT for latest academic session. The textbook by NCERT for Lab Manual Systematics Qualitative Analysis Chemistry Class 11 is being used by various schools and almost all education boards in India. Teachers have always recommended students to refer to Lab Manual Systematics Qualitative Analysis NCERT etextbooks as the exams for Class 11 Chemistry are always asked as per the syllabus defined in these ebooks. These Class 11 Lab Manual Systematics Qualitative Analysis book for Chemistry also includes collection of question. We have also provided NCERT solutions for Class 11 Chemistry which have been developed by teachers of StudiesToday.com after thorough review of the latest book and based on pattern of questions in upcoming exams for Class 11 students.
NCERT Book Class 11 Chemistry Lab Manual Systematics Qualitative Analysis
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Lab Manual Systematics Qualitative Analysis NCERT Book Class 11 Chemistry
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Class 11 Chemistry Lab Manual Systematics Qualitative Analysis NCERT Book
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Class 11 Lab Manual Systematics Qualitative Analysis NCERT Book Chemistry
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