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Al is used as reducing agent for the extraction of metals such as Chromium,Monganes.Explain why? Solution) Al3+ + 3 e- Al Good reducing agents like aluminum have relatively
The quantum number 'm' of a free gaseous atom is associated with : (1) The effective volume of the orbital (2) The shape of the orbital (3) The spatial orientation of the
If wavelength of photon is 2.2x10 -11 m, h= 6.6x 10 -34 J-sec, then momentum of photon is: (1) 3x 10 -23 kgms -1 (2) 3.33x 10 22 kgms -1 (3) 1.452x 10-
The spectrum of He is expected to be similar to: (1) H (2) Li + (3) Na (4) He + Ans: Li +
Evidence in favor of Kekule's structure 1. Benzene combines along with 3 molecules of hydrogen or three molecules of chlorine. It also collides along with 3 atoms of ozone to
what were the drawbacks of bohr''s atomic theory
What is difference between silica used in TLC and HPLC column? TLC is called thin layer chromatography. The simple technique works on the principle of adsorption, where as HPLC i
reaction of mono hydric alcohol
atomic volume
Draw out the Lewis structures of the following two compounds. BeCl 2 + 2Cl- → (a) Determine which compound is the Lewis acid and which is the Lewis base. What are the
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