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What type of stoichiometric defect is sh...

What type of stoichiometric defect is shown by:
(i) ZnS (ii) AgBr

Text Solution

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a. `ZnS` shows Frenel defect because its ions have a large difference in size.
`AgBr` shows both Frenkel and Schottky defects.
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CENGAGE CHEMISTRY ENGLISH-NCERT BASED EXERCISE-Nuclear Chemistry (NCERT Exercise)
  1. What type of stoichiometric defect is shown by: (i) ZnS (ii) AgBr

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  2. Clearly state, what do you understand by the terms : mass number, nucl...

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  3. Describes the properties of radiations which are emitted by radioactiv...

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  4. Give one example each of (a)alpha-emission, (b)beta^(c-)- emission, an...

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  5. What is group displacement law ? An element belonging to group 1 decay...

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  6. In the given radioactive disintegration series, .90^(232)Th to (2)^(...

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  7. Write the nuclear reactions for the following radioactive decay: (a)...

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  8. How are radioactive decay series distinguished ? Name the decay seri...

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  9. Calculate the binding energy per nucleon of Li isotope, which has the ...

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  10. The atomic mass of .^(16)O is 15.995 amu while the individual masses o...

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  11. The isotopic composition of rubidium is Rb^(85):73% and Rb^(87):28%Rb^...

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  12. The isotopic masses of .(1)H^(2) and .(2)He^(4) are 2.0141 and 4.0026 ...

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  13. The radioactive isotope .(27)^(60)Co which has now replaced radium in...

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  14. A piece of wood from an archaeological source shows a .^(14)C activity...

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  15. What is a nuclear fission reaction ?

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  16. What is meant by a fissiionable isotope? How are such isotopes produce...

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  17. In the neutron-induced fissioin reaction of .(92)U^(235) one of the pr...

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  18. Explain the principle of : ltbr. a. Activation analysis b. Breeder r...

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  19. Describe the chief applications of radioisotopes in : a. The study o...

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  20. Complete the following nuclear changes. (a) .(42)^(96)Mo (..,n) .(43...

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  21. Complete the equations for the following nuclear processes: (a).(17...

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