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Chapters
2: Introduction to Analytical Chemistry
3: Basic Analytical Techniques
4: Structure of Atom
5: Chemical Bonding
6: Redox Reactions
7: Modern Periodic Table
8: Elements of Group 1 and 2
9: Elements of Group 13, 14 and 15
10: States of Matter
11: Adsorption and Colloids
12: Chemical Equilibrium
▶ 13: Nuclear Chemistry and Radioactivity
14: Basic Principles of Organic Chemistry
15: Hydrocarbons
16: Chemistry in Everyday Life
![Balbharati solutions for Chemistry [English] 11 Standard chapter 13 - Nuclear Chemistry and Radioactivity - Shaalaa.com](/images/chemistry-english-11-standard_6:1ddd95908cb04440a83d42566c3337de.jpg "Balbharati solutions for Chemistry [English] 11 Standard chapter 13 - Nuclear Chemistry and Radioactivity")
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Solutions for Chapter 13: Nuclear Chemistry and Radioactivity
Below listed, you can find solutions for Chapter 13 of Maharashtra State Board Balbharati for Chemistry [English] 11 Standard.
Balbharati solutions for Chemistry [English] 11 Standard 13 Nuclear Chemistry and Radioactivity Exercises [Pages 202 - 203]
Identify nuclear fusion reaction.
\[\ce{^1_1H + ^1_1H -> ^2_1H + ^0_1e}\]
\[\ce{^2_1H + ^1_1H -> ^3_2He}\]
\[\ce{^3_1H + ^1_1H -> ^3_1H + ^1_1p}\]
Choose the correct option.
The missing particle from the nuclear reaction is ____________
\[\ce{^27_13Al + ^4_2He -> ? + ^1_0n}\]
\[\ce{^30_15P}\]
\[\ce{^32_16S}\]
\[\ce{^14_10Ne}\]
\[\ce{_14Si}\]
Choose the correct option.
\[\ce{^60_27CO}\] decays with a half-life of 5.27 years to produce \[\ce{^60_28Ni}\]. What is the decay constant for such radioactive disintegration?
0.132 y-1
0.138
29.6 y
13.8%
Choose the correct option.
The radioactive isotope used in the treatment of Leukemia is ______.
\[\ce{^60Co}\]
\[\ce{^226Ra}\]
\[\ce{^32P}\]
\[\ce{^226I}\]
Choose the correct option.
The process by which nuclei having low masses are united to form nuclei with large masses is ______.
chemical reaction
nuclear fission
nuclear fusion
chain reaction
On the basis of even-odd of protons and neutrons, what type of nuclides is most stable?
Explain in brief, nuclear fission.
The nuclides with odd number of both protons and neutrons are the least stable. Why?
Referring the stability belt of stable nuclides, which nuclides are β– and β+ emitters? Why?
Explain with an example each nuclear transmutation and artificial radioactivity. What is the difference between them?
What is the binding energy per nucleon?
Explain with the help of a diagram how binding energy per nucleon affects nuclear stability?
Explain with example α - decay.
The energy produced in nuclear fusion is much larger than that produced in nuclear fission. Why is it difficult to use fusion to produce energy?
How does N/Z ratio affect nuclear stability? Explain with a suitable diagram.
You are given a very old sample of wood. How will you determine its age?
Give an example of mirror nuclei.
Balance the nuclear reaction:
\[\ce{^118_54Xe -> ? + I^118_54}\]
Name the most stable nuclide known.
Write two factors responsible for its stability.
Write relation between decay constant of a radioelement and its half-life.
What is the difference between an α-particle and helium atom?
Write one point that differentiates nuclear reactions from chemical reactions.
Write pairs of isotones and one pair of mirror nuclei from the following:
\[\ce{^10_5B, ^12_6C, ^27_13Al, ^11_6C, ^28_14S}\]
Derive the relationship between half-life and decay constant of a radioelement.
Represent graphically log10 (activity/dps) versus t/s. What is its slope?
Write two units of radioactivity. How are they interrelated?
The half-life of 24Na is 900 minutes. What is its decay constant?
Decay constant of 197Hg is 0.017 h-1. What is its half-life?
The total binding energy of 58Ni is 508 MeV. What is its binding energy per nucleon?
The atomic mass of \[\ce{^32_16S}\] is 31.97 u. If masses of neutron and H atom are 1.0087 u and 1.0078 u respectively. What is the mass defect?
Write the fusion reactions occurring in the Sun and stars.
How many α and β-particles are emitted in the transmutation \[\ce{^232_90Th -> ^208_82Pb}\]?
A produces B by α-emission. If B is in group 16 of the periodic table, what is the group of A?
Find the number of α and β-particles emitted in the process \[\ce{^222_86Rn -> ^214_84Po}\].
The half-life of 18F is 110 minutes. What fraction of 18F sample decays in 20 minutes?
The half-life of 35S is 87.8 d. What percentage of 35S sample remains after 180 d?
The half-life of 67Ga is 78 h. How long will it take to decay 12% of the sample of Ga?
0.5 g sample of 201Tl decays to 0.0788 g in 8 days. What is its half-life?
65% of 111In sample decays in 4.2 d. What is its half-life?
Calculate the binding energy per nucleon of \[\ce{^84_36Kr}\] whose atomic mass is 83.913 u. (Mass of neutron is 1.0087 u and that of H atom is 1.0078 u).
Calculate the energy in MeV released in the nuclear reaction \[\ce{^174_77Ir -> ^170_75Re + ^4_2He}\]
Atomic mass: Ir = 173.97 u, Re = 169.96 u and He 4.0026 u
A 3/4 of the original amount of radioisotope decays in 60 minutes. What is its half-life?
How many particles are emitted by 0.1 g of 226Ra in one year?
A sample of 32P initially shows activity of one Curie. After 303 days, the activity falls to 1.5 × 104 dps. What is the half-life of 32P?
The half-life of radon is 3.82 d. By what time would 99.9% of radon will be decayed?
It has been found that the Sun’s mass loss is 4.34 × 109 kg per second. How much energy per second would be radiated into space by the Sun?
A sample of old wood shows 7.0 dps/g. If the fresh sample of tree shows 16.0 dps/g, how old is the given sample of wood? (Half-life of 14C is 5730 y)
Solutions for 13: Nuclear Chemistry and Radioactivity
Balbharati solutions for Chemistry [English] 11 Standard chapter 13 - Nuclear Chemistry and Radioactivity
Shaalaa.com has the Maharashtra State Board Mathematics Chemistry [English] 11 Standard Maharashtra State Board solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Balbharati solutions for Mathematics Chemistry [English] 11 Standard Maharashtra State Board 13 (Nuclear Chemistry and Radioactivity) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
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Concepts covered in Chemistry [English] 11 Standard chapter 13 Nuclear Chemistry and Radioactivity are Introduction: Nuclear Chemistry is a Branch of Physical Chemistry, Classification of Nuclides, Nuclear Stability, Radioactivity, Radioactive Decays, Modes of Decay, Nuclear Reactions, Applications of Radio Isotopes.
Using Balbharati Chemistry [English] 11 Standard solutions Nuclear Chemistry and Radioactivity exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Balbharati Solutions are essential questions that can be asked in the final exam. Maximum Maharashtra State Board Chemistry [English] 11 Standard students prefer Balbharati Textbook Solutions to score more in exams.
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