What is the easiest way to remember salt analysis?
*Note: Water extract of the salt can be prepared by dissolving a pinch of the inorganic salt in a few drops of water….Confirmatory Test for Anions.
| Anion | Confirmatory Test | Positive Observation |
|---|---|---|
| Carbonate (CO32-) | Add magnesium sulphate (MgSO4) to the water extract of the salt | Formation of a white precipitate. |
How do you prepare for a salt analysis?
Take 0.1 g of salt in a test tube, add dilute sulphuric acid. CO2 gas is evolved with brisk effervescence which turns lime water milky. On passing the gas for some more time, milkiness disappears. (a) Take 1 mL of water extract or sodium carbonate extract in a test tube and add barium chloride solution.
Is salt analysis important for JEE mains?
Answer. Yes it is one of the most important topic. Remember reactions, cations, anions, and color change. The question comes directly of simple level which doesn’t require much thinking, so you can easily score in this topic.
How do you identify an unknown salt?
Students identify unknown chloride salts by (1) using a precipitation reaction to determine if the cation is a group 1 or group 2 metal, (2) performing a titration with silver nitrate to determine the formula mass of the salt, and (3) confirming the identity of the salt using a flame test.
Is salt analysis important for NEET?
No, salt analysis is not in the syllabus for NEET. So they won’t ask. It may be asked in your board.
What is Zero group in salt analysis?
Ammonium ion belongs to zero group as ammonium is a non-metallic cation and it has different reagents for testing. Its qualitative analysis is done with NaOH. The other groups use NH4OH as reagents. Hence, NH4+ is tested first keeping it in zero group.
Is Ncert enough for salt analysis?
yes ncert is sufficient , but for salt analysis you have to read from outside source like chemistry lab manual comprehensive.
Is Salt analysis important for JEE Advanced Quora?
Salt analysis holds a decent weightage in JEE Advanced chemistry and it is advisable to do it for the exam. You can get a comprehension or passage type question from it and it will fetch you easy marks if you know the concepts well as it isn’t too time taking to deduce the answer then.
Is metallurgy important for JEE?
Metallurgy is one of the simplest topics to score marks in JEE.
Is salt analysis in NEET syllabus?
No, salt analysis is not in the syllabus for NEET.
Is Salt analysis in NEET syllabus 2021?
What is the weightage of physical chemistry in NEET?
17%
NEET 2022 Chapter Wise Weightage for Chemistry
| Chemistry Chapters and topics | Average no. of Questions from the chapter | Weightage of the chapter and topic (In percentage) |
|---|---|---|
| Physical Chemistry-I | 17% | |
| Atomic Structure & Nuclear Chemistry | 1 | 3% |
| Chemical Equilibrium | 1 | 3% |
| Ionic Equilibrium | 2 | 4% |