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Which of the following electronic configuration is not possible according to Hund's rule:
(1) 1s2 2s2
(2) 1s2 2s1
(3) 1s2 2s2 2p1x 2py1y 2p1x
(4) 1s2 2s2 2p2x
(5) 1s2 2s2 2p2x 2p1y 2p1z
Ans: 1s2 2s2 2p2x
Which has highest second ionisation energy? Electronic config of Na(+) is noble gas config. . so its very difficult to remove an electron so it will have very high 2nd ionisati
Table lists data for water, crystalline sodium thiosulfate pentahydrate, and several sodium thiosulfate solutions. Find ΔH to the nearest 0.01 kJ for the dissolution of 5.00 g of
asighanment
between nitrobenzene and phenol which is more reactive towards chlorine and why? Upon reaction with chlorine what products can be formed from the two reactions.
2Zns + 3O 2 ---------> 2ZnO + 2SO 2 ZnCO 3 -------------> ZnO + CO 2 ZnO +C ------> Zn +CO ZnO + CO -----------> Zn + C0 2
Diagonal relationship between Be and Al
Filter A plant pot with a plug of cotton wool in the bottom and a layer of sand little inches deep makes a satisfactory filter for more purposes
how does chemical bonding takes place?
what is cis-trans isomerisation?
x gram of metal reacts with chlorine to form y gram of metal chloride.calculate equivalent mass of metal.
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