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observation table with solution
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
Co2 is isostructural with: (1) SnCl 2 (2) So 2 (3 ) HgCl 2 (4) All the above ans: HgCl 2
Q. Illustrate about Borohydrides? Borohydrides like NaBH 4 ,, Be(BH 4 ,) 2 and Al(BH 4 )are the salts of complex tetrahydridoborate anion, BH - 4 ,. Since in BH - 4 ,. bor
applications of potentiometry
When the azimuthal quantum number has a value of l= l , the shape of the orbital is : (1) Unsymmetrical (2) Spherically symmetrical (3) Dumb-bell (4)Complicated Ans:
The number of electrons in [ 40 19 k ] -1 is: (1) 19 (2) 20 (3)18 (4)40 Ans: 40
Formula of a metallic oxide is MO.The formula of its phosphate will be: (1) M 2 (PO 4 ) 2 (2) M (PO 4 ) (3) M 2 (PO 4 ) (4) M 3 (P
Advantages of ICP-AES method: The wide applicability of ICP-AES in the quantitative analysis of various materials can be attributed to the following advantages. Rapid a
Chemical Kinetics of the Peroxodisulfate Ion The peroxodisulfate ion is one of the strongest oxidants that are called, although the oxidation reaction is relatively slow.
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