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Aromaticity or aromatic character
The characteristic behaviour of aromatic compounds is termed as aromaticity. Aromaticity is due to the extensive delocalisation of p-electrons in planar ring system. Huckel (year1931) described aromaticity on the basis of following rule.
1,1-Dimethylcyclohexane is achiral, and therefore cannot be optically active.
Which of the following hydrides are ionic: (1) CaH 2 (2) BaH 2 (3) SrH 2 (4) BeH 2
In the transition of Zn atoms to Zn ++ ions there is a decrease in the: (1) Number of valency electrons (2) Atomic weight (3) Atomic number (4) Equivalent weight A
Q. What is basic diffrence between heat and temperature? Ans. Heat is energy which flows from hot objects to cooler ones. It flows because of the temperature difference betw
I want to know how to determine the acid insoluble ash of a flour sample with principle,procedure as well as calculations.
I have this chemistry assignment. It basically says, "study and make a report on any two types of electrochemical cells". What do I do? I have no idea so please, I need some help.
How many KCal of heat are liberated when 48.0 grams of iron are burned to form Fe2O3 at standard state conditions? (Change of Hf^0 of Fe2O3 is -197 kCal/Mole )
what are the standards of purity
For the following cyclohexane molecule, illustrate clear representations of both possible chair forms of the molecule. Be sure to properly draw all the axial and equatorial groups
describe the steps necessary in preparing a standard solution of 1.0 molar NaOH
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