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genral characters of 1 a group elements
which is the main postulate of bohr''s model of atom
Q. What is law of definite proportions? A given compound is forever composed of the same elements in the same proportion by mass. This fact is recognized as the law of definit
why are higher members of amines less odourous
Explain about Parke Process? Parke method for refining lead, which is also a concentration process for silver, relies upon the selective dissolution of silver in molten zinc.
Q. Illustrate Aromatics compounds? Ans. Benzene (C 6 H 6 ) is the prototype of an important class of hydrocarbons called aromatic compounds. Benzene is a ring of 6 carbon
The orbital angular momentum of an electron in 2s -orbital is: (1) 1/2 h/ 2Π (2) h/ 2Π (3) √2 h/ 2 Π (4) Zero Ans
ionic bonds are usually formed by combination of elements with
Uses of Alkyl nitrites (1) Ethyl nitrite dialates the blood vessels and so accelerates pulse rate and lowers blood pressure thus it is utilized for a medicine for the treatment
YES,LiAlH 4 be used to reduce nitro group to amino group in hydrogenation
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