Yahoo Web Search

Search results

  1. Jan 19, 2024 · States of Matter Class 11 Notes Chemistry Chapter 5. • Intermolecular Forces. Intermolecular forces are the forces of attraction and repulsion between interacting particles. have permanent dipole moments. This interaction is stronger than the London forces but is weaker than ion-ion interaction because only partial charges are involved.

    • Learn CBSE

      CBSE Class 11 Chemistry Notes and short key-notes to score...

    • Short Answer Type Questions
    • Assertion and Reason Type Questions
    • Long Answer Type Questions

    Q1.What will be the mass of one atom of C-12 in grams? Answer. The mass of 1 mole of C-12 atoms = 12 g 1 mole of C-12 atoms = 6.022 × 1023atoms The mass of 1 atom of C-12 = 12 / (6.022 × 1023) = 1.99 × 10–23g Q2.How many significant figures should be present in answer to the following calculation? Answer. The number of significant figures that shou...

    In the following questions a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question. Q1.Assertion (A): The empirical mass of ethene is half of its molecular mass. Reason (R): The empirical formula represents the simplest whole-number ratio of various atoms pr...

    Q1.A vessel contains 1.6 g of dioxygen at STP (273.15K, 1 atm pressure). The gas is now transferred to another vessel at a constant temperature, where pressure becomes half of the original pressure. Calculate (i) volume of the new vessel. (ii) number of molecules of dioxygen. Answer. (i) P1 = 1atm, P2 = ½ = 0.5 atm, T1 = 273.15, V2 = ?, V1= ? 32 g ...

  2. The complete list of chapters and subtopics of the Class 11 NCERT textbook has been provided above. This page can help provide context and structure for learning the fundamental principles covered under the Class 11 CBSE chemistry syllabus, thereby empowering the students to develop from simple to relatively complex concepts in a systematic manner.

  3. Class 11 Chemistry (India) Some basic concepts of chemistry Structure of atom Classification of elements & periodicity in properties Chemical bonding and molecular structure States of matter Thermodynamics. Equilibrium Redox reactions Hydrogen The s-block elements The p-block elements Organic chemistry - Some basic principles and techniques ...

  4. Practice. Water can exist as ice, which is a solid; it can exist as liquid; or it can exist in the gaseous state as water vapour or steam. In this fifth unit of class 11, chemistry, we will learn more about these three physical states of matter particularly liquid and gaseous states. We learn about intermolecular forces, gas laws, ideal gas ...

  5. Nov 13, 2022 · The following are examples of chemical symbols with different uses. Chemical symbol for elements. H e is the chemical symbol for the noble gas helium. A u is the chemical symbol for the valuable ...

  6. Jul 13, 2021 · The gaseous state is that state of matter in which there are large intermolecular spaces that exist between the particles. It is the simplest state of matter as stated by the class 11 chemistry chapter states of matter. Elements such as H, N, O, F, Cl, He, Ne, Ar, Kr, Xe, and Rn exist as gases. It is important for human survival as it exists in ...