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various concepts of acid and base
What is hydrometallurgy
1. A laboratory animal exercised on a treadmill that was connected to a weight with a mass of 250. g through a pulley. The work done by the animal raised the weight through 1.32 m.
Which of the following configuration is correct for iron : (1) 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 6 ,, 3d 5 (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 ,3p 6 , 4s 2 , 3d 5 (3)
Co2 is isostructural with: (1) SnCl 2 (2) So 2 (3 ) HgCl 2 (4) All the above ans: HgCl 2
Q. Show Crystal Field Splitting in Square Planar Complexes? In a d 1 or d 2 system the electrons will always go in the 'e' set of orbitals with the release of corresponding a
Which one of the following set of quantum numbers is not possible for 4p electron : (1) n=4, l=1, m=-1, s= +1/2 (2) n=4, l=1, m=0, s= +1/2 (3) n=
Q. Briefly explain about Diffusion of Gases? Ans. The following are some important points on the diffusion of gases: Gas molecules have an average kinetic energy
Q. Describe Molarity and Molality and what is the basic diffrence between Molarity and Molality? The concentration of a solution is usually expressed as molarity (i.e., M). The
(a) How is aniline obtained from benzene? (b) Why are the secondary amines more basic than primary amines? Describe. (c) Write the complete chemical reactions for the convers
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