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Q. Show example of electromagnetic radiation?
When light associated with energy hv, such that D0. = hv, is passed through a solution of [Ti(H20)6]3+, absorption of light takes place and the lone electron from ground state is raised to the excited state. Experimentally, it is found that the energy for this absorption is around 20,400 cm-1Hence, we can write D0= 20,400 cm-1 and CFSE = -2/5 x 20,400 or -8,160 cm-1 or approximately 98 kJ mol-1.
Krypton ( 36 Kr) has the electronic configuration (18 Ar) 4s 2 , 3d 10 , 4p 6 . The 37 electron will go into which one of the following sub-levels: (1) 4f
chemical bonding
Q. Show Uses of Sulphur? Sulphur is used in the manufacture of sulphur dioxide, sulphuric acid, and gunpowder. Match. fertilisers, drugs, bleaching agents, leather and other pr
You are given a sample block of an unknown metal. The block displaces 3.24 mL of water and has a mass of 62.5429 g. What is the density of the unknown metal? What is the metal?
Draw a figure to show splitting of degenerate d orbitals in an octahedral crystal field. How does the magnitude of decide the real configuration old orbitals in a difficult enti
How can sublimation be useful? Ex. It can be used by ... to...
Reformatsky reaction - Aldehydes and Ketones Reformatsky reaction has the treatment of aldehyde and ketone along with a bromo acid ester in existence of metallic zinc to form -
.how decompose water to form in heat
Metals: Iron : 1. Most automobiles, machine tools, building parts, the hulls of large ships, and machine parts are made out of iron. (Iron metal is strong but is quite
Safety in Preparation of Preparation of trimethyl: 1 Use a round-bottomed flask equipped with a Claisen head (lagged with glass-wool), Quickfit thermometer (very expensive!)
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