Complete Guide for CBSE Students
NCERT Solutions, NCERT Exemplars, Revison Notes, Free Videos, CBSE Papers, MCQ Tests & more.Download Now
NCERT Solutions for Class 11 Chemistry Structure of Atom Part 1 Class 11 Chemistry book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE board exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 11 Chemistry chapter wise NCERT solution for Class 11 Chemistry Some Basic Concepts of Chemistry Part 1 and all the chapters can be downloaded from our website and myCBSEguide mobile app for free.
NCERT solutions for Class 11 Chemistry Download as PDF
NCERT Class 11 Chemistry Chapter wise Solutions
- Chapter 1 – Some Basic Concepts of Chemistry
- Chapter 2 – Structure of Atom
- Chapter 3 – Classification of Elements and Periodicity in Properties
- Chapter 4 – Chemical Bonding and Molecular Structure
- Chapter 5 – States of Matter
- Chapter 6 – Thermodynamics
- Chapter 7 – Equilibrium
- Chapter 8 – Redox Reactions
- Chapter 9 – Hydrogen
- Chapter 10 – The s-Block Elements
- Chapter 11 – The p-Block Elements
- Chapter 12 – Organic Chemistry – Some Basic Principles and Techniques
- Chapter 13 – Hydrocarbons
- Chapter 14 – Environmental Chemistry
NCERT Solutions for Class 11 Chemistry Structure of Atom Part 1
(ii) Calculate the mass and charge of one mole of electrons.
2. (i) Calculate the total number of electrons present in one mole of methane.
(ii) Find (a) the total number and (b) the total mass of neutrons in 7 mg of
(Assume that mass of a neutron ).
(iii) Find (a) the total number and (b) the total mass of protons in 34 mg of at STP.
Will the answer change if the temperature and pressure are changed?
3. How many neutrons and protons are there in the following nuclei?
, , , ,
4. Write the complete symbol for the atom with the given atomic number (Z) andAtomic mass (A)
(i) Z = 17, A = 35
(ii) Z = 92, A = 233
(iii) Z = 4, A = 9
5. Yellow light emitted from a sodium lamp has a wavelength ( ) of 580 nm. Calculate the frequency ( ) and wave number ( ) of the yellow light.
6. Find energy of each of the photons which
(i) correspond to light of frequency Hz.
(ii) have wavelength of 0.50 .
7. Calculate the wavelength, frequency and wave number of a light wave whose period is .
8. What is the number of photons of light with a wavelength of 4000 pm that provide 1 J of energy?
9. A photon of wavelength strikes on metal surface, the work function of the metal being 2.13 eV. Calculate (i) the energy of the photon (eV), (ii) the kinetic energy of the emission, and (iii) the velocity of the photoelectron (1 eV= ).
10. Electromagnetic radiation of wavelength 242 nm is just sufficient to ionise the sodium atom. Calculate the ionisation energy of sodium in kJ mol-1.
11. A 25 watt bulb emits monochromatic yellow light of wavelength of 0.57 m. Calculate the rate of emission of quanta per second.
12. Electrons are emitted with zero velocity from a metal surface when it is exposed to radiation of wavelength 6800 . Calculate threshold frequency ( ) and work function ) of the metal.
13. What is the wavelength of light emitted when the electron in a hydrogen atom undergoes transition from an energy level with n = 4 to an energy level with n =2?
14. How much energy is required to ionise a H atom if the electron occupies n = 5 orbit? Compare your answer with the ionization enthalpy of H atom (energy required to remove the electron from n =1 orbit).
15. What is the maximum number of emission lines when the excited electron of an H atom in n = 6 drops to the ground state?
16. (i) The energy associated with the first orbit in the hydrogen atom is atom-1. What is the energy associated with the fifth orbit?
(ii) Calculate the radius of Bohr’s fifth orbit for hydrogen atom.
NCERT Solutions for Class 11 Chemistry Chapter 2 Structure of Atom Part 1
NCERT Solutions Class 11 Chemistry Structure of Atom Part 1 PDF (Download) Free from myCBSEguide app and myCBSEguide website. Ncert solution class 11 Chemistry includes text book solutions from both part 1 and part 2. NCERT Solutions for CBSE Class 11 Chemistry have total 14 chapters. 11 Chemistry NCERT Solutions in PDF for free Download on our website. Ncert Chemistry class 11 solutions PDF and Chemistry ncert class 11 PDF solutions with latest modifications and as per the latest CBSE syllabus are only available in myCBSEguide
NCERT Solutions for Science Class 3rd to 12th
- NCERT Solutions for Class 12 Physics.
- NCERT Solutions for Class 12 Chemistry
- NCERT Solutions for Class 12 Biology
- NCERT solutions for class 11 Physics
- NCERT Solutions for Class 11 Chemistry
- NCERT solutions for class 11 Biology
- NCERT Solutions for Class 10 Science
- NCERT Solutions for Class 9 Science
- NCERT solutions for Class 8 Science
- NCERT solutions for Class 7 Science
- NCERT Solutions for Class 6 Science
- NCERT Solutions for Class 5 EVS
- NCERT Solutions for Class 4 EVS
- NCERT Solutions for Class 3 EVS
To download NCERT Solutions for class 11 Chemistry, Physics, Biology, History, Political Science, Economics, Geography, Computer Science, Home Science, Accountancy, Business Studies and Home Science; do check myCBSEguide app or website. myCBSEguide provides sample papers with solution, test papers for chapter-wise practice, NCERT solutions, NCERT Exemplar solutions, quick revision notes for ready reference, CBSE guess papers and CBSE important question papers. Sample Paper all are made available through the best app for CBSE students and myCBSEguide.com website.
Create Papers with your Name & LogoTry it Now (Free)