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The orbital with maximum energy is:
(1) 3d
(2) 5p
(3) 4s
(4) 6d
Ans: 6d
Chromium has the electronic configuration 4s 1 3d 5 rather than4s 2 , 3d 4 because: (1) 4s and 3d have the same energy (2) 4s has a higher energy than 3d (3)4s 1 is
can -COOH group be attached with the phenyl group of dithizone?
How acidic character varies in s block elements
1. Define or explain the following terms: a. Science b. Experimentation c. Scientific method d. Hypothesis e. Theory f. Scientific law g. Chemistry h.
The shape of d xy orbital will be: (1) Circular (2) Dumb-bell (3)Double dumb-bell (4) Trigonal Ans: Double dumb-bell
Show by means of equations and reagents, how the following conversion would be achieved? Propyne to butanoic acid
dehydration of alcohol with mechanism
#1.draw the structural formula for ethylcyclopentene
Number of unpaired electrons in inert gas is: (1) Zero (2) 8 (3) 4 (4) 18 Ans: Zero
Filter pump Some skill is needed to construct the ordinary glass filter pump, but it is possible to contrive one from glass tubing and good corks. The action of the pump depend
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