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Tests for acetone - Indigo test and Iodoform test
(a) Indigo test: When a small amount of orthonitrobenzaldehyde is added to approximately 2 ml. of acetone and it is diluted along with KOH solution and stirred. A blue colour of indigotin is produced or formed.
(b) Iodoform test: Acetone provides iodoform test along with iodine and sodium hydroxide or iodine and ammonium hydroxide.
A metal surface is exposed to solar radiations: (1) The emitted electrons have energy less than a maximum value of energy depending upon frequency of incident radiations
The shape of an orbital is given by the quantum number : (1) n (2) l (3) m (4) s Ans: l
Q. Show the Chemical Properties of Group 13? Elements of Group 13 are comparatively less reactive than the alkali and alkaline earth metals of Groups 1 and 2 However, the +acti
polonium crystallizes in a simple cubic unit cell with an edge length of 3.36A. 1. what is the volume of the unit cell? 2. what is the volume of atom in the unit cell? 3. what i
Since fluorine is very electronegative as a result hydrogen develop a very positive character. As a result the H-bonding is very tough because of large difference in electronega
Coordination no. is the no. assigned to an atom which tells us that how many other atoms are directly attached to it. eg. Pcl5 the cordination no. will be 5
Q. What do you eman by Scientific Research? Pure research is prepared to gain knowledge for the sake of knowledge itself. Molina as well as Rowland's research on the behavior
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Express the relation among the half-life period of a reactant and its initial concentration if the reaction involved is of second order. How are formalin and trioxane related to
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