What is the most important question in chemistry?
The most important question in chemistry is “Where are the electrons?” electronegative atoms (e.g. F, Cl, O, N) of a molecule. The electronegative atoms pull electron density away from the less electronegative atoms (e.g. C, H) to which they are bonded.
What are the most important topics in chemistry class 12?
Answer: There are 16 important topics or chapters written in the Class 12 Chemistry book….These are;
- Coordination Compounds.
- Haloalkanes and Haloarenes.
- Alcohols, Phenols and Ethers.
- Aldehydes, Ketones and Carboxylic Acids.
- Organic Compounds Containing Nitrogen.
- Chemistry in Everyday Life.
Is Class 12 chemistry tough?
Many students might find CBSE Class 12 Chemistry a tad difficult to prepare for. The syllabus is huge, which poses a difficulty during revision within a short span of time, especially for students who have not studied all the CBSE Class 12 Chemsitry chapters earlier and are not clear on the fundamentals.
What is Henry’s Law 12?
Henry’s law According to the law at a constant temperature, thesolubility of a gas in a liquid is directly proportional to thepressure of the gas. It can also be stated as – The partial pressure of the gas in vapour phase (p) is proportional to the mole fraction of the gas (x) in the solution.
What is the important topics in chemistry?
The main topics in chemistry include acids and bases, atomic structure, the periodic table, chemical bonds, and chemical reactions.
Who discovered chemistry?
If you are asked to identify the Father of Chemistry for a homework assignment, your best answer probably is Antoine Lavoisier. Lavoisier wrote the book Elements of Chemistry (1787).
What is K in Henry’s Law?
K = Henry’s constant (found on charts) P = partial pressure of the gas (solute) There is: S = KP. S = concentration of gas (solute) in the SOLUTION (solvent) [ex.
How do you find K in Henry’s Law?
Substituting the given values kH = 1.6*103 atm. L. mol-1 and C = 2*10-5 M into the Henry’s law formula: P = kH*C = (1.6*103 atm….Henry’s Law
- ‘P’ denotes the partial pressure of the gas in the atmosphere above the liquid.
- ‘C’ denotes the concentration of the dissolved gas.
- ‘kH’ is the Henry’s law constant of the gas.
How good are the chemistry plus two Chapters Questions?
But for chemistry plus two chapters questions ,the answers are only for first chapter . If the answers are also for other chapters it will be easy for the children for their studies . Very good . But for chemistry plus two chapters questions ,the answers are only for first chapter .
Why CBSE Class 12 chemistry important questions are important?
Thus, CBSE Class 12 Chemistry important questions would help them to prepare for both kinds of examinations. Students can practice on our chapter-wise Important questions for Class 12 Chemistry which will enable them in developing conceptual knowledge. Practice more to clear the concepts and to excel in Board as well as Competitive examinations.
Is there any plus two (XII) chemistry notes free PDF?
The plus two (XII) Chemistry notes free PDF covers all the chapters. Learn the best way to analyse the questions and frame answers which score high marks. The Kerala Board Plus Two Chemistry notes & solutions can be downloaded for off-line study or be accessed on any device like a smartphone or a tab.
What is included in this hsslive plus 2 chemistry study package?
This is a comprehensive study package for plus two Chemistry notes, Chapter wise explanation Summary, question papers, and answer sheets. These Hsslive plus two Chemistry notes also include Important Questions from Previous years to help you complete your studies before exams.