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Be's 4th electron will have four quantum numbers:
n l m s
(1) 1 0 0 +1/2
(2) 1 1 +1 +1/2
(3) 2 0 0 - 1/2
(4) 2 1 0 +1/2
Ans: 2 0 0 - 1/2
(a) Write the structural formula of 3-phenylprop-2-enal. (b) Write one chemical equation each to illustrate the following reactions: (i) Aldol condensation (ii) Cannizzaro
Al(C2O4)3 3-
Give two methods for preparation of acetophenones
Making a model hydraulic elevator Some freight and passenger elevators are increased by water pressure. You can make a model of one of these with an automobile hand pump. Conne
how to make
Q. Show example of electromagnetic radiation? When light associated with energy hv, such that D 0 . = hv, is passed through a solution of [Ti(H 2 0) 6 ] 3+, absorption of ligh
A tank contains 50 gal of a solution of NaCl in water (20% wt). To wash the tank, we supply fresh water at 10 gal/min and drain the tank at the constant rate of 10 gal/min. Determi
Q. Show the techniques of preservation? The various methods can be used for preservation of foods. Some of the common methods employed to preserve foods are summarized herew
i need to know the answer for dis-advantage of scale and sludge
how can you balance k+o2
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