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When the azimuthal quantum number has a value of l=0 , the shape of the orbital is: (1) Rectangular (2)Spherical (3)Dumbbell (4)Unsymmetrical Ans: Spherical
Use of the Grignard solution to prepare 2,2,6-trimethyl-5-phenylheptan-3-one: Prepare a solution of your enone (5.64 g; 0.030 moles) in dry ether (30 mL) and add it to the dro
What is the purpose of zone refining One refining process is based on the fact that the first solid to crystallize in a two component system is usually purer than the liquid as
characterstics of s block element
Co2 is isostructural with: (1) SnCl 2 (2) So 2 (3 ) HgCl 2 (4) All the above ans: HgCl 2
Which one of the following is not the characteristic of Planck's quantum theory of radiation: (1)The energy is not absorbed or emitted in whole number or multiple of quantum
In a design of a tower, water is chilled from T wa = 65°F to T wb = 45°F. The inlet water is w a = 1000 lb/h. Calculate the amount of water that evaporates and the mass flow of
what is the modern purpose of this reaction?
The minimum amount of energy needed for the reaction to takes place is known as threshold energy.
Relative strength of the bases (Basic nature of -NH2) The dissimilarity in base strength in several amines can be described on the basis of inductive effect. The +I effect incr
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