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Dienes - Hydrocarbon
These are hydrocarbon along with two carbon-carbon double bonds. Dienes are of three forms
(a) Conjugated dienes: Double bonds are seperated through one single bond.
(b) Cumulative dienes: in this Double bonds are adjacent to each other.
(c) Isolated or Non-conjugated: Double covalent bonds are separated by several one single bond.
The formula is CnH2n-2. The predominant member of which is 1, 3-butadiene.
The interatomic distances in H 2 and Cl 2 molecules are 74 and 198 pm respectively. The bond length of HCl is : (1) 272 pm (2) 1
Reverse Hyperconjugation : The method of hyperconjugation is as well observed in the system given below, In such type of system the effect operates in the opposite direc
The reluctances of ns electrons in the participation of bond formation is known as inert pair effect
An air oven A large tin can is used as an air oven. A hole through the lid fitted with a cork holds a thermo- meter, and the saucer or dish rests on a wire gauze bridge placed
What was the calculated ?H value obtained for the reaction NH3 + HCl –› NH4Cl using the thermodynamic data in your lab procedure? The thermodynamic data is: •?H°f for NH3 (aq) = -
prove berzelius hypothesis
The maximum number of electrons that can be accommodated in f sub shell is : (1) 2 (2) 8 (3) 32 (4) 14 Ans: 14
Correct statement is: (1) K=4s 1 , Cr= 3d 4 4s 2 , Cu= 3d 10 4s 2 (2) K=4s 2, Cr= 3d 4 4s 2 , Cu= 3d 10 4s 2 (3) K=4s 2 Cr= 3d 5 4s 1 , Cu= 3d 10
what is radioanalytical method
why lithium is the strongest reducing agent in alkali metals
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