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Why does p-methoxybenzyl bromide reacts with ethanol faster than p-nitrobenzylbromide Solution) Because o-ch 3 is electron donating group while NO 2 is a electron withdrawing g
Who modified Bohr's theory by introducing elliptical orbits for electron path: (1) Hund (2) Thomson (3) Rutherford (4) Sommerfield Ans: Sommerfield
Predicting the feasibility of reaction and does not show the rate of chemical reaction
The electronic configuration of an element with atomic number 7 i.e. nitrogen atom is; (1) 1s 2 , 2s 1 , 2p 3 x (2) 1s 2 , 2s 2 , 2p 2 x ,
a dot placed inside a lamp symbol shows
Preparation of benzaldehyde by etard''s reaction
Beilstein test or copper wire test - Halogens A clean copper wire is heated in the Bunsen flame till it does not impart any type of green colour to the flame. The heated side
Q. What are ion selective membranes used in electro dialysis of brackish water. Give examples. Ans. Electro dialysis for brackish water: The ion selective membranes are use
Q. Show the Colorimetric analysis? Colorimetric analysis depends on the variation of the colour with the change in concentration of the compound. Usually, absorption of light i
explain Berzelius hypothesis and contradiction of daltons hypothesis with an example
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