Home
Class 12
CHEMISTRY
Assertion (A) : Frenkel defects are show...

Assertion (A) : Frenkel defects are shown by `AgX`.
Reason (R ) : `Ag^(o+)` ions have small size.

A

If both `(A)` and `(R)` are correct, and `(R)` is the correct explanation of `(A)`

B

If both `(A)` and `(R)` are correct, but `(R)` is not the correct explanation of `(A)`

C

If `(A)` is correct, but `(R)` is incorrect.

D

If both `(A)` is incorrect but `(R)` is correct.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion (A) : The size of a cation is larger in TV than in OV . Reason (R ) : Cations occupy more space than anions is crystals packing.

Assertion (A) : Covalent crystals have higher melting point. Reason (R ) : Covalent bonds are stronger than ionic bonds.

Assertion (A) : in CsCl crystal, Cs^(o+) ions adopt bcc arragement. Reason (R ) : For N atoms adopting bcc arragement, there are 2N TVs .

Assertion (A) : Triclinic system is the most unsymmetrical system. Reason (R ) : No axial angle is equal to 90^(@) in triclinic system.

Assertion (A) : Graphite is an example of tetragonal crystal system. Reason (R ) : For a tetragonal system, a = b != c and alpha = beta = 90^(@), gamma = 120^(@) .

Assertion (A) : Presently, the global atmosphere is warming up. Reason (R): The depletion of stratospheric ozone layer has resulted in increase in ultraviolet radiations reaching the Earth.

Assertion(A): In sponges, archaeocytes are totipotent. Reason( R): They give rise to all types of amoebocytes and are self replicating.

Assertion(A): In sponges, archaeocytes are totipotent. Reason( R): They give rise to all types of amoebocytes and are self replicating.

Assertion (A): Sodium chloride used to clear snow on the roads. Reason (R ): Sodium chloride depresses the freezing point of water.

Assertion (A) : hcp is more closely packed than ccp. Reason (R ) : hcp has a CN of 12 , whereas ccp has a CN of 8 .