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I read that in the first transition series,the stability of +2 oxidation state decreases from Sc to Cu.but,I observed that as we move along the 3d -series,the stability increases i
Q. Illustrate Activity Series for Metals? Ans. An activity series is a series that orders substances on the basis of their reactivity. The following diagram is the activit
The uncertainty in momentum of an electron is 1 x 10 -5 kgm/ s . The uncertainity in its position will be( h= 6.63 x 10 -34 Js) : (1) 5.28 x 10 -30 m
Why Microwave performed at low temperature and low pressure
Addition catalysed by base - Aldehydes and Ketones In the existence of a base one equivalent of an alcohol reacts along with only one equivalent of the carbonyl compound. The p
Sublimation - Purification of organic compounds Specific organic solids on heating directly change from solid to vapour state without passing via a liquid state, such types of
To increase the pressure so that boiling point of water increases and heat provided goes only for cooking food not for boiling water
Ethylbenzene Ethylbenzene has a three-proton triplet and, at somewhat greater chemical shift, in the benzylic proton region, a two-proton quartet. p-Xylene has a six-proton si
what are the chemical properties of colloids
Why do zinc hydroxide, aluminium hydroxide and lead (II) hydroxide dissolve in excess aqueous sodium hydroxide?
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