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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.
Vacancies A vacancy is a lattice position that is vacant due to the atom is missing. It is formed when the solid is formed. Vacancies are simply empty atom site.
An element have atomic weight 40 and it's electronic configuration is 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 . Then its atomic number and number of neutrons will be: (1) 18 and 22
Q. What is Base units? There are seven base units given in SI. A base unit is a unit of calculate that is based on an object or event in the physical world. Lists of the seve
K c is the equilibrium constants when the concentrations are expressed in moles/litre K c = Product of concentrate ions of products / product of concentrate ions of reactants
How to find atomicity
what is the advantages of electro chemical series
Q. Show the properties of Tetrahydrido borate? Tetrahydrido borate anion BH - 4 has a tetrahedral structure which can be explained on the basis of sp 3 hybridisation of boron
Q. Explain Distillation in purification of metals? Metals with low boiling points, such as cadmium, zinc and mercury will be purified by distillation. The distillation is gener
Branched chain polymers - Classification of polymers These are polymers where the monomers are connected to make long chains with side chains or branches of dissimilar sizes.
It is desired to create 5 kg of superheated steam at 300 o C and 20 bar using an isobaric mixer. If 543 kJ of heat are sent to the system, and 2 kg of saturated steam is mixed wit
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