Prachi
IiTeachChem
•Created by Nephilim on 2/25/2025 in #💭│doubts
how to predict and find shape and geometry of chromate ion?

43 replies
IiTeachChem
•Created by Nephilim on 2/25/2025 in #💭│doubts
how to predict and find shape and geometry of chromate ion?
Our sir told us this concept today through example of KMnO4, and he told us that it will also be valid in CrO42-
43 replies
IiTeachChem
•Created by Chas Reilly on 2/26/2025 in #💭│doubts
Periodic Properties PYQ
The order of atomic radius here is Na > Mg > Al > Li > Be > B
So, Boron has least radius in here and it has valency 3
Hence, it forms B2O3
8 replies
IiTeachChem
•Created by Chas Reilly on 2/26/2025 in #💭│doubts
Periodic Properties PYQ
As we move down the group, size increases
And, as move left to right across a period, size decreases
8 replies
IiTeachChem
•Created by Nimboi on 2/25/2025 in #💭│doubts
Chemical kinetics, factors affecting activation energy

34 replies
IiTeachChem
•Created by thunder_god1286 on 2/25/2025 in #💭│doubts
Please solve this
Depends on the moles of carbon and oxygen in the question
36 replies
IiTeachChem
•Created by thunder_god1286 on 2/25/2025 in #💭│doubts
Please solve this
If you are not doing poac, then first we have to balance this equation
And then calculate moles using stoichiometric coefficients
36 replies
IiTeachChem
•Created by thunder_god1286 on 2/25/2025 in #💭│doubts
Please solve this
Alright
One minute..
36 replies
IiTeachChem
•Created by thunder_god1286 on 2/25/2025 in #💭│doubts
Please solve this
Got the answer
36 replies
IiTeachChem
•Created by thunder_god1286 on 2/25/2025 in #💭│doubts
Please solve this
What's the answer??
36 replies
IiTeachChem
•Created by Say_miracle_shadow on 2/25/2025 in #💭│doubts
IUPAC
In first, e comes before ol so, it is omitted
Whereas, in other parts, e comes before di and tri so, it stays there
10 replies
IiTeachChem
•Created by Say_miracle_shadow on 2/25/2025 in #💭│doubts
Bond angle
But don't know the correct reason to explain first one
24 replies
IiTeachChem
•Created by Say_miracle_shadow on 2/25/2025 in #💭│doubts
Bond angle
The second one is an exception where the methyl groups are bulky which causes repulsion between them making the bond angle greater
24 replies
IiTeachChem
•Created by Say_miracle_shadow on 2/25/2025 in #💭│doubts
No. of resonating str.
5 resonating structures
17 replies
IiTeachChem
•Created by Nephilim on 2/23/2025 in #💭│doubts
couldn't find a satisfying solution online
This same question was discussed in our class today and omg... the conversations, the derivations done, the other options of this question discussed like why it isn't right, the correct reason to explain this was like uff...
we spent 15-20 minutes in this question and then, somebody told sir the graph ashish sir is talking, and dammnnnn...
The whole class was shocked what they have done to miss this little key information
So, yeah... everyone was like what just happened in here
44 replies