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iTeachChem
A Study Community for Everyone and Everything.We have weekly sessions on Spirituality, Math and Science! JEE, NEET prep? All doubts are crowdsourced. Hare Krishna!
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iTeachChem
A Study Community for Everyone and Everything.We have weekly sessions on Spirituality, Math and Science! JEE, NEET prep? All doubts are crowdsourced. Hare Krishna!
Joinriver problem
i tried doing this question but i ended up getting a hard equation in terms of sin0 and cos0 and on proceeding further i got stuck again

Interesting question on COM
The answer given is C) the solution doesn't provide any explanation as to why, can someone suggest to me the thought process of how I should solve this

Nitration
During nitration in SE rxns what is the role of hno3
Is it a bronsted base or a lewis base...
Can ring chain isomers be positional isomers also?
I mean, the number in pcc can be same in both, but should nature of pcc have to be same in position isomers or different? (Maybe eg: from cyclopropane to propene, there is difference of fg so in this case, ring chain isomers can't be position isomers but is it always that?.. I'm confused)
P Block Group 13 Oxidation State problem
it says here that the relative stability of +1 oxidation state increaees
my question is: relative to what???
is +1 State more stable down the group in comparison to +3 of these elements??
or is +1 state more stable in the sense that +1 of Tl > In > Ga...

Kinematics: Range doubt
How to go about option (3) & (4)? I have a vague-ish idea it has something to do with radius of curvature and relation from max. height. But how to build on that?

in oxidative ozonolyis if HCHO is one of the initial products with further oxidation
does it become co2 or hcooh, in one place they said to replace both H with OH as double OH unstable it becomes CO2 but somewhere else i saw it becomes HCOOH
Polynomials
How would one prove the claim in the solution? Why must it be between -n² and n²?
f_1 is first derivative btw....

Chemical bonding: % s character and Bond Angle
In the question, all the molecules are sp3d hybridized which means that the %s character for all is same. So shouldn't graph be a straight line parallel to y-axis?

alpha H +1 or only Alpha H ?
for total no of hyperconjugative strs some ques uses n+1 formula and some uses only 'n'.
so what to do when nothing is mentioned in exam?...

complex nos
if z represents a complex number then find minimum and maximum value of |z| if |z-2|-|z+2|=2
pls give geometric approach...