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Which of the following hydrides are ionic:
(1) CaH2
(2) BaH2
(3) SrH2
(4) BeH2
Ans: 1,2,3,
Which set of quantum numbers for an electron of an atom is not possible: (1) n=1 l=0, m=-0, s= +1/2 (2) n=1, l=1, m=-1, s= +1/2 (3) n=1, l=0, m=0, s= -1/2 (4) n=
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Formation of cyclo alkanes
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what are the tree laws of chemical reaction
Q. Example on Crystal field splitting in octahedral complexes? Here four ligands lie in one plane and the other two in a plane perpendicular to the first plane. Six ligands are
An element L has 9 protons and valency 1. Another element M has valency 3 and 5. What is the difference in the number of electrons in L and M ?
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Equivalent weight of Ca in Ca3(PO4)2 is
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