Or u can think in this way (which i found helpful in solving such questions) .. Higher O.S will have more C.N. Here ... Fe = +3 (so it can be in octahedral) Zn2+ can be in tetrahedral. Therefore :- Normal spinel.
@@RSivaSanjayChannel bro while filling electron's into Orbitals based on strong field or weak field ligands first prefer to fill t2g then go to eg orbitals with weak field ligands
1) D
2) C || 2 Cr+3 cation so there is CFSE = 2*12 = 24 Dq
normal
Thanks
Thanku
Thank you!
May Allaah bless you immensely... I used to be so confused on this concept and MashaAllaah you explained it so brilliantly...
Thank you so much for the wishes 🥰
Very good explanation sir...
I understood.....I'm a lecturer....
U r my inspiration to take graduation clses ....
1st Q : ans. is option (d) Fe3O4 and NiFe2O4 are inverse spinels.
2nd Q : ans. is option (c) normal spinel with total CFSE -24 Dq.
Yes
1 -D
2-C
very nicely explained. thank you sir
Q. 1 D and Q. 2 ans is C.....thnku so much sir crystal clear concept now😍😍😍😍😇😇😇😇😇😇😇😇
This page really help me every time.. great job and thank you very much .. I really appreciate your effort to make things easy for us.🙂
Thank you so much sir I don't have any idea about spinel you have to explain clearly in spinel one again thank you so much sir
Glad to know that 😊
Very good explanation sir thnqq☺️☺️☺️☺️
tHANK YOU, sIR. cHOTA TOPIC THA. bAHUT BADHIYA SE AAPNE SAMJHAYA.. nA ZYTADA NA KAM.. pERFECT FOR eXAMS OBJECTIVE QUESTIONS.
Thanku so much sir.. it was very confusing but you explained a very simple way.. .
Very very easily explained..
Really fantastic explanation.
According to author Ajay Kumar, MgFe2O4 is inverse Spinel
You teaching style is very good, you explain all the things releted to topic
Crystal clear sir. Thank you so much 🙏
Thank you sir
sir this video is very useful to me,excellent explanation with prepared material.I want organic and pericyclic videos also
Thanku so much sir. You are really make it easy
Cleared all the confusions😊
Grateful to you master. 🙏
Great explanation sir
Thank you so much!
Sir, thank u so much... You done a great job sir🙏 hats off u sir🤝
Than u Sir for making this concept simple
Sir in Gate 2012 one question was asking from cfse i.e
Co3O4,Fe3O4,Mn3O4 which one is the inverse spinel structure...
Fe3O4 is inverse..Co3O4 and Mn3O4 are normal...
Sir this was very informative. Very nicely made and organised video.
Thanks sir nice explanation, all are very very clear
Super explanation sir
Thank you ..ur lesson ..most usefull...
1-d
2-Normal
Thank you sir ❤
Thank you sir...
Thank u very much sir
Very good sir
Excellent trick Sir..
1_d
2-c
Thank you sir
Ans 1) d inverse inverse
Ans 2) c normal and -24dq for 2 cr+3
2 ka ans how did u calculated can u plz miss shalini....
For 1cr III youll get -12 but here 2 cr are there so 12 *2 = 24
Oo....oh ya we have to multiply it....thank u so much miss.....r u preparing fr csir?
Nice sir very helpful
Thanks sir to make it so easy
M(Al2O4) M= Fe,Co,Ni,Zn ??? How these are normal spinels??
These are exceptional cases where Al+3 has a strong affinity towards oh voids.
So they will be Normal Spinel always.
@@AllBoutChemistry okay sir!!.. Thankyou!
@@AllBoutChemistry normal spinel even for Ni2+ (d8)?
Thnx sir🙏
how can you compare Fe3+ and Zn2+ size along the period. As size of 3+ is always smaller than 2+.
I also have doubt..
Which have more d electron and compare electronegativity from left to right and than analysis size
Or u can think in this way (which i found helpful in solving such questions) ..
Higher O.S will have more C.N.
Here ... Fe = +3 (so it can be in octahedral)
Zn2+ can be in tetrahedral.
Therefore :- Normal spinel.
Sir your lecture was awesome😊
Thank you
Sir ,what about Co3O4..as this rule it should be inverse but actually it is normal
How to find total cfse should we add both M+2&M+3 cfse together
Yes
How can scientists consider molecular term symbols like capital sigma phi Del from quantum chemistry????... Please reply
ruclips.net/video/K8BWuhSNJyg/видео.html
Watch this video I've explained it here
Tq... Sir... I saw... But what is the link between these symbols and molecular term symbols???... Please reply
11.18 Third point d5 is there Sir .Can u clarify that.
Awesome.... Thanks sir
Sir why Hg+2 ion not formed spinels.?????
Sir plz explain 2nd question which you have asked
1-d and 2nd-c
Sir thank you. 1) d
2)c
Very helpful
Very usefull
Thank you very much sir!
Thank you 😊
NiAl2O4 में Ni +2 ka hybridisation kya आयेगा???
High spin lenge ya low spin ????
Nice....
Sir, plz do the second question
Devudu 🙏
In last question the total cfsc is -12 Delta. But in option it is not there ,so suggest the correct answer.
2 Ions of Cr3+ is here so it becomes 2*12=24Dq
Thank you 🙂
sir plz tell Co3o4 is inverse or normal spinel??
Normal
@@digvijoyasarma8081 cfse toh co(2) ki jyada aai hai then acc to cfse inverse Hona chahiye
For Co+3 Oxide is strong ligand so t2g6 is configuration so it is normal spinel
Sir, pls make video on water exchange and isomerism
Qn1 option d
Qn2 option c
Calculate % of occupancy of Ni+2 ion Oh void in spinel NiAl2O4 having λ=0.4?
How to solve such questions?
Is the answer 10%?
@@mukundsharma2607 No 20 %
Sir, is this topic important for csir net or not?
What is the condition for mixed spinels?
what's the mixed spinel of MgAl2O4 ?
Normal spinel
1-d and 2-c
Thank u sir 😊
Sir cfse high spin k lie ya low spin k lie nikanle
High spin
Because oxygn is weak fild lignd
Sir pls make a video on angular overlap model
1-d
2-c
May Allah bless u...
Sir second last ka answer (d) aayega and for last normal spinel and -24 Dq aayega.
Sir plzz answer this question
SnCO2O4
This is normal or inverse spinel
Normal spinel!
It's normal spinel.
Sir Co3O4 is normal or inverse
Spinel
1)d
2)c
What about Co3O4?
1)D
2)C
Plzzz make videos on isolable analogy
ruclips.net/video/nSf03vp61_U/видео.html
It's already there, plz check
1 ) d, 2)c
Is it imp for csir
1 d
2 is normal
What about total cfse
It will be -24Dq
If you find the cfse of cr in +3 you will get -12, but their r 2 cr present in +3 state therefore u will get-24 Dq
Can you please explain co3co4
1 answer d. Second one is normal but cfse is confuse sir
1-d & 2-c
Q1 ans option d. Q2 option c
1.d & 2.c
1(d) & 2(c)
Q1 option d
Q2 option c
Question 1...answer d...Question 2...answer c
1) ans D 2) ans A
Trans effect make vedio sir
Ok I'll try
2 number example pe
Both are tradition metal so According to 4. No point of ur
This will inverse..
1)D
2) Normal spinel & -24dq
Bro, while filling up Electrons in cfse
Should we always fill all the orbitals?
I mean shouldn't we pairup after filling all the lower orbitals?
@@RSivaSanjayChannel bro while filling electron's into Orbitals based on strong field or weak field ligands
first prefer to fill t2g then go to eg orbitals with weak field ligands
@@beingchemist8086 so he filled them all in that manner(in the beginning of the video) because, Oxygen is a weaker ligand
@@RSivaSanjayChannel yes O2- is weak lingand
Sir
Co3O4??