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Subject: Chemistry, asked on 21/6/19

Why manganese is stable in +2 state than +3

Subject: Chemistry, asked on 6/6/19

The metal ion which is NOT colourd is

Subject: Chemistry, asked on 7/5/19

Why salt of science3+ti,4+,v5+ are colur lees

(a) Why salts of Sc3+, Ti4+, V5+  are colourless?

Subject: Chemistry, asked on 20/4/19

why dont we use potassium carbonate to mixed with chromite ore in the formation of potassium dichromate???? plzz help me with this experts ...

Subject: Chemistry, asked on 27/3/19

For the four successive transition elements (Cr, Mn, Fe and Co), the stability of +2 oxidation state will be there in which of the following order? (Atomic number of Cr=24,Mn=25,Fe=26, Co=27) a.Cr>Mn>Co>Fe b.Mn>Fe>Cr>Co c.Fe>Mn>Co>Cr d.Co>Mn>Fe>Cr

Subject: Chemistry, asked on 27/2/19

d as penultimate and prepenultimate shells? lls are call Q. 11) State the position of cerium (z-58) and uranium (z 92) in periodi Q. 12) Write general electronic configuration of lanthanoids. What elements ? Write position of following elements in periodic table i) Lanthanum (z57) ii) Actinium (289) Q. 13) i) Cerium (z 58) iv) Thorium (290) Q. 14) Explain lanthanoid contraction. Section C-Questions of 3 Marks SAIl

Subject: Chemistry, asked on 20/2/19

how i complete whole chemistry in one day

Subject: Chemistry, asked on 4/1/19

Action of fused NaoH on arsenic

Subject: Chemistry, asked on 9/11/18

How is oxygen ion formed with sodium(2)ion

Subject: Chemistry, asked on 22/8/18

Explain why Gd3+ is colourless.

Subject: Chemistry, asked on 14/6/18

Explain oxidizing nature of potassium di chromate

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