Mole concept, Chemistry

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What is mole concept?

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Why octahedral complexes of ni+2 must be outer orbitals?, The coordination ...

The coordination number of Ni in the complex is 4, the configuration of Ni +2 , at first sight, shows that the complex is formed by sp 3 hybridization  and it is paramagnetic an

Bohr''s orbit of an atom is given by the expression, The energy of an elect...

The energy of an electron revolving in n th   Bohr's orbit of an atom is given by the expression; (1) E n = 2Π 2 me 2 z 2 /n 2 h 2                       (2) E n = 2Π 2 m

P block element, Explaination of general characteristic properties

Explaination of general characteristic properties

What is bond order?, Bond order is the number of chemical bonds between a p...

Bond order is the number of chemical bonds between a pair of atoms. For example, in diatomic nitrogen N≡N the bond order is 3, while in acetylene H-C≡C-H the bond order between the

Replacement of metals from salts, Q. How to Replace Metals from their Salts...

Q. How to Replace Metals from their Salts: Ans. If zinc is added to a solution of copper (II) sulfate, it dissolves. A reddish-brown deposit of metallic copper appears,

Kinetic energy, How might temperature changes in the human body have an imp...

How might temperature changes in the human body have an impact on human health

Number of unpaired electron, Number of unpaired electrons in  Mn 4+ is: ...

Number of unpaired electrons in  Mn 4+ is: (1) 3        (2) 5         (3) 6       (4) 4 Ans: 3

Physical, find H^+ concentration if Ph=4.90

find H^+ concentration if Ph=4.90

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