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Assertion :No compound has both schottk...

Assertion :No compound has both schottky and frenkel defect
Reason : schottky defect change the density of the solid

A

If both assertion and reason are true and the reason is the correct explanation of the assertion

B

If both assertion and reason are true but reason is not the correct explanation of the assertion

C

If assertion is true bur reason is false

D

If assertion is false bur reason is true

Text Solution

Verified by Experts

The correct Answer is:
d
Only schottky effect decreases the density of solids
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Assertion. No compound has both Schottky and Frenkel defects. Reason. Both defects change the density of the soild .

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Knowledge Check

  • Assertion. No compound has both Schottky and Frenkel defects Reason. Both defects change the density of the solid

    A
    If both assertion and reason are true, and reason is the true explanation of the assertion.
    B
    If both assertion and reason are true, but reason is not the true explanation of the assertion.
    C
    If assertion is true , but reason is false
    D
    If both assertion and reason are false.

  • In the Schottky defect

    A
    cations are missing from the lattice sites and occupy the interstitial sites
    B
    equal number of cations and anions are missing
    C
    anions are missing and electrons are present in their place
    D
    equal number of extra cations and electrons are present in the interstitial sites

  • Which of the following has both Schottky and Frenkel defects.

    A
    AgBr
    B
    ZnO
    C
    NaCl
    D
    KCl