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D BLOCK ELIMENT
What do you understand by temperature independence paramagnetism? Ans) Compounds which are expected to be diamagnetic may exhibit this kind of weak paramagnetism. It arises from a
Write down the molecular formula of the overall oxidation reaction of a fatty acid in these three reaction cascades. What roles do A and B play in these reaction cascades?
A transition metal X has a configuration [Ar] 3d 4 in its +3 oxidation state. Its atomic number is: (1) 25 (2) 26 (3) 22 (4) 19 Ans: 25
what are the oxides and halides of d-block elements? mention them groupwise and comment on the stability of their oxidation state.
Uses of Resorcinol (a) Resorcinol is used as antiseptic and for creating dyes. (b) Resorcinol is also used in the medicine of eczema. 2, 4, 6-trinitroresorcinol is required
Its Tetrahedral ( 4 sigma bonds )
give two reasons why it is necessary to ionize the chromium atoms
Environmental pollution caused by oxides and oxyacids f nitrogen and sulphur
complete assignment for half life determination
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