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Effects of substituents on the acidity of phenols: Existence of electron attracting group, (for example -NO 2 , -X, - NR + 3 , -CN, -CHO, -COOH) on the benzene ring increases
Ring substitution in aromatic ethers Alkoxy group is ortho and para directing and it directs the incoming groups to ortho and para position. It becomes the aromatic ring leads
why do s block elements have a weak tendency to fom complexes?
cual es la formula para el calor especifico
Alum is a chemical (aluminum potassium sulphate) it tends to be whitish powder with various uses.
why is the reaction mixture does not have 50% reactants and 50% products?
Electronic configuration of Sc 21 is: (1) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 , 4s 2 , 3d 1 (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 , 4s 1 , 3d 2 (3)1
what is diagonal relationship? explain diagonal relationship between Li and M g, Be and Al?
Principle of conductometry?
Where is tin obtained? Ans) Tin is obtained in several places tin is found mainly in the ore cassiterite, which is originate in Malaysia, Bolivia, Thailand, and Nigeria.
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