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The equation Δ x Δp ≥ h/ 4Π shows:
(1) de-Broglie relation
(2) Heisenberg's uncertainty principle
(3) Aufbau principle
(4) Hund's rule
ans: Heisenberg's uncertainty principle
Name the Which is a covalently bonded crystal? germanium
Electrophilic substitutions reactions: Electrophilic substitution includes the attack by an electrophile. It is denoted as S E ( S denotes substitution and E denotes elct
Q. Compare pot furnace and tank furnace used in manufacture of glass. Ans. S.NO. Pot furnace Tank furnace 1. Used f
Energy of atomic orbitals in a particular shell is in the order: (1) s (2) s> p > d > f (3) p (4) f > d > s >p Ans: s
how many electrons does sulfur donate
In nitromethane N-O bondlength is 1.21A° while normal N-O bondlength is 1.36 A° and for N=O it is 1.18A°..Explain why
a student prepared a solution of sodium carbonate by 2.111g of the solid to a 250.0ml volumentric flask and adding H2O to the mark.Some of this solution was transferred to a burett
Basic dyes: These types of dyes are the hydrochlorides or zinc chloride salts of colour bases comprising basic group sets. These dyes act along with anionic sites available on
The tris(monothiocarbamato)iron(III)complex shown to the right undergoes conversion from low to high spin state with an increase in temperature. This can be monitored by measurin
Which monomers can undergo free radical, cationic as well as anionic polymerisation with equal ease? CH2=CH2
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