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Ionic compounds do not have: (1) Hard and brittle nature (2) High melting and boiling point (3) Directional properties (4) Soluble in polar solvents Ans: Direction
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Physical Properties of benzene (a) First property of Benzene is that it is a colourless, mobile and volatile liquid. Its boiling point is 80°C and freezing point is 5.5°C. It c
Q. Crystal Field Splitting in Tetrahedral Field? A tetrahedron can be viewed as a part of cube where the metal ion occupies the centre of the cube and the four ligands are plac
Q. Show the properties of Lithium Aluminium Hydride? Lithium aluminium hydride is much more useful than aluminium hydride. It is prepared in the laboratory by the action of LiH
For azimuthal quantum number l= 3 , the maximum number of electrons will be: (1) 2 (2) 6 (3) 0 (4) 14 Ans: 14
copper reacts with oxygen to form two oxides es x and y on analysis 1.535 g of x yielded 1.365 g of copper and 1.450 g of y yielded 1.160 g of copper(1) determine the chemical for
Why was covalent compounds are insoluble in water and ionic compounds soluble in water? Ans) When ionic bonds form, one atom becomes positively charged, while the other becomes ne
Liebermann's nitroso reaction While phenol is reacted with NaNO 2 and concentrated H 2 SO 4 , it provides a deep green or blue colour which changes to red on dilution with wa
Q. Show the Hydrides of Boron and Aluminium? Boron forms a series of volatile hydrides which resemble in some respects, e.g., volatility and covalent nature, the hydrides of c
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