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n is an integer that can be 0,1,2,3,... and so on. All this means is that for an aromatic ring to be aromatic it has to have pi bonds that are 2,6,10,14,18,... and so on. On the other hand a antiaromatic ring will have the formula 4n so that pi bonds are 4,8,12,16,20,... and so on.
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How does huckel MOT for cyclobutadiene determine?
Hückel molecular orbital theory for cyclobutadiene can be determined by applying the Hückel rule, which states that a molecule is aromatic if it has 4n+2 π electrons (where n is an integer) and antiaromatic if it has 4n π electrons. Cyclobutadiene with 4 π electrons would be antiaromatic, making it unstable and highly reactive due to its cyclic arrangement of electrons.
Aromaticity in non benzenoid compounds?
Aromaticity in non-benzenoid compounds refers to the presence of a cyclic system that follows Huckel's rule (4n+2 pi electrons) and exhibits properties of aromaticity, such as enhanced stability and unique reactivity. Examples include cyclopentadienyl anion (C5H5-) and cyclooctatetraene (C8H8), which possess aromatic character despite not having a benzene ring.
What is 4N NaOH?
The atomic weight of Na-OH is 23+16+1= 40. So to prepare the one N solution of Na-OH, you need to add 40 grams of Na-OH in one litre of water. To prepare the 4N Na-OH solution, you need to add 160 grams of Na-OH in one litre of water.
Is Biphenyl aromatic or aliphatic compound?
Biphenyl is an aromatic compound because it contains a benzene ring structure. Aromatic compounds have delocalized pi electrons which follow Hückel's rule (4n + 2), whereas aliphatic compounds are non-aromatic and do not have delocalized pi electrons.
How would you prepare 4N dilute sulfuric acid from concentrated sulfuric acid for use in an experiment?
To prepare 4N dilute sulfuric acid, you would first calculate the volume of concentrated sulfuric acid needed based on its concentration. Then, slowly add the calculated volume of concentrated sulfuric acid to an appropriate volume of water while stirring continuously. Finally, dilute the solution to the desired volume with water and ensure proper mixing to obtain 4N dilute sulfuric acid for use in the experiment.
What is the rule for 4n plus 2?
To find the nth number that is generated by the rule multiply n by 4 and then add 2.
What is 4 plus 4n -12?
4 + 4n - 12 = 4n - 8
What is 5 plus 4n equals to?
4n + 5
What is 3n plus 2n equals 7 plus 4n?
3n + 2n = 7 + 4n 5n = 7 + 4n 5n - 4n = 7 n = 7
What is -8n plus 6 plus 4n-7?
It is an expression that can be simplified to -4n-1
What is -n plus 4n?
-n + 4n = 4n - n = 3n Done!!!!!
What is the expression to 5m3 plus 4n?
5m3 + 4n is an algebraic expression.
What is 15m plus 4n minus 5m plus 9n?
15m + 4n - 5m + 9n = 10m + 13n
What is the answer to 3 plus 3n equals 9 plus 2n plus 4n?
3 + 3n = 9 + 2n + 4n n = -2
What is 4n plus 3 equals 15?
4n + 3 = 15 4n +3 - 3 = 15 - 3 4n = 12 4n/4 = 12/4 n = 3
What is 4n plus 13 equals 1?
4n+13=1 -13 -134n=-12/4 /4n=-3
What is 4n plus 1 times 2n plus 6?
(4n + 1)*(2n + 6) = 8n2 + 26n + 6
