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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
(i) How would you account for the following: (a) The transition elements exhibit high enthalpies of atomization. (b) The 4d and 5d series of the transition metals have more
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Number of unpaired electrons in inert gas is: (1) Zero (2) 8 (3) 4 (4) 18 Ans: Zero
An excess of NaOH solution was added to 100 ml of a ferric chloride solution. This caused the precipitation of 1.425 gram of Fe(OH)3 . calculate the normality of ferric chloride so
Isomers, which vary in the rotation of the plane polarized light, are known as Optical Isomerism.
atoms combine to form molecule because they tend to
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Maximum number of electrons present in N shell is: (1) 18 (2) 32 (3) 2 (4) 8 Ans: 32
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