p block
why BiF3 is ionic whereas other trihalides are covalent in nature?
why transation metals show charaterstic colours to the flame?
is entropy on moleculare basis relates to the tras.,vib.,and rotational motions?
Provide solution of this question. A certain aqueous solution of FeCl3 (formula mass =162) has a density of 1.1g/ml and contains 20.0% Fecl. Molar concentration of this solution is: (a) .028 (b) 0.163 (c) 1.27 (d) 1.47
are halides are halogens more soluble? why?
Which of the following solutions will have a lower vapour pressure and why? a) A 5% aqueous solution of cane sugar. b) A 5% aqueous solution of urea.
brief discription of relative lowering of vapour pressure
The entropy due to the rotational motion of the molecules of a gas can be calculated. Linear molecules: as was pointed out, any rotating molecule has a set of allowed rotational energies. For a linear molecule the
Which one of the following non-ideal solutions shows the negative deviation: (a) CH3COCH3 + CS2 (b) C6H6 + CH3COCH3 (c) CCl4 + CHCl3
Illustrate all the explosions produce carbon dioxide?
what is the meaning of fourth power of valency of an active ion?
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