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For a given value of quantum number l , the number of allowed values of is given by:
(1) l+2
(2) 2l+2
(3) 2l+ 1
(4) l + 1
Ans: 2l+ 1
For the dissociation equilibrium of formic acid, HCO 2 H(aq) ↔ H + (aq) + HCO 2 - (aq), the acid dissociation constant at 298.15K has the value K a = 1.77 *10 -4 . (a) Find t
how H+ ions are formed
all
Calculation of Number of Atoms per Unit Cell of HCP (n): One half of the each of the 2 base centre atoms (2x1/2), one six of the every of the 12 corner atoms (12x1/6) and all
how to find atomicity of an element?
Why do the hydrides of O and F in group 16 and 17 respectively show abnormally high melting points and boiling points as compared to other hydrides in their respective groups? Expl
From the following which group of elements easily forms cation: (1) F, CL, Br (2) Li, Na, K (3) O, S, Se, (4)
Q. Show the Isolation of Important Transition Metals? Involved in the extraction of metals. Describe the extraction of important transition metals of the first transition serie
1.sheilding & de-sheilding 2.magnetic anisotropy 3.hydrogen bonding
What wieght of CO is required to form re2(CO)10 from 2.5 gm of re2(O)7
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