Solid State
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At 25°C the standard emf of cell having reactions involving two electrons change is found to be 0.295 V. The equilibrium constant of the reaction is :
At 25°C the standard emf of cell having reactions involving two electrons change is found to be 0.295 V. The equilibrium constant of the reaction is :
ΔG° = –RT * 2.303 log K
–nFE° = +RT * 2.303 log K
2 * 96500 * 0.295 = 8.314 * 298 * 2.303 log10 K
10 = log10 K = 1010
Upvote 
It has chiral centre and differently di substituted double bonded carbon atoms.
Upvote Packing fraction of body centred cubic structure is
Packing fraction of body centred cubic structure is
For FCC lattice
Packing efficiency = 
Upvote The first co-ordination number of Cs+ in CsCl lattice is
The first co-ordination number of Cs+ in CsCl lattice is
CsCl has BCC structure in which Cl– is present at corners of cube and Cs+ at body centre
Upvote <!-- [if !supportLists]-->Potassium (K) has a bcc structure with nearest neighbor distance 4.52 A0 Its atomic weight is 39. Its density will be
<!-- [if !supportLists]-->Potassium (K) has a bcc structure with nearest neighbor distance 4.52 A0 Its atomic weight is 39. Its density will be
Please find the attached solution:
Upvote The correct relationship between edge length (a) and radius of atom (r) for BCC unit cell is
The correct relationship between edge length (a) and radius of atom (r) for BCC unit cell is
For BCC unit cell
√3a = 4r
a=4r√3
Upvote The phenomenon of producing electrical signals in a crystal by applying pressure is known as
The phenomenon of producing electrical signals in a crystal by applying pressure is known as
Electricity produced by applying pressure on a crystal is known as piezoelectricity.
Upvote Statement – I : hcp and ccp structure are equally efficient.
Statement – II : Same number of atoms are present in a hcp and ccp unit cell.
In the light of above statement choose the correct option among the following.
Statement – I : hcp and ccp structure are equally efficient.
Statement – II : Same number of atoms are present in a hcp and ccp unit cell.
In the light of above statement choose the correct option among the following.
Packing efficiency for both ccp and hcp structures are 74%
Zccp= ZFCC = 4
ZHCP = 6
Upvote Which of the following is an example of ferromagnetic substance?
Which of the following is an example of ferromagnetic substance?