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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.
Just like lithium and beryllium in Groups Land 2, boron also shows anomalous behaviour. In general, the boron chemistry resembles that of silicon (occupying a diagonal position in
Tests of benzaldehyde - aldehydes and ketones (a) It forms a white precipitate with solution. (b) It creates a yellow precipitate with 2: 4 dinitrophenyl hydrazines. (
K3[Al(C2O4)3]
Li + H20 ----> LiOH + H2....if I start with 3.4 mols of H2O , how many mols of H2 can I make?
how can electromigration be used as property for separaton??
what is the confirmatory test for acid radical(so42-)
what are binary compounds of hydrogen?describe briefly hydrides formed by alkali metals and halogen?
The tar command was invented to backup directory trees to magnetic tape. The name is short for 'tape archive´. A directory tree is a branching structure, b ut a magnetic tape is a
Identify the formula and melting point of hydrate? Iron (III) chloride forms various solid hydrates, all of which melt congruently. Table lists the temperatures t of aqueous so
Potassium permanganate is prepared from pyrolusite (MnO 2 ) . Pyrolusite is fused with KOH in the presence of atmospheric oxygen or an oxidising agent like potassium nitrate or po
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