p block
why BiF3 is ionic whereas other trihalides are covalent in nature?
Choose the right answer from following. An X molal solution of a compound in benzene has mole fraction of solute equal to 0.2. The value of X is: (a)14 (b) 3.2 (c) 4 (d) 2
The molecular, or statistical, basis of the third law can be seen by investigating S = k in W.The molecular deductions of the preceding sections have led to the same conclusions as that stated in the third law of thermodynamics, namely, that a value can be
Choose the right answer from following. The molarity of a solution of Na2CO3 having 10.6g/500ml of solution is : (a) 0.2M (b)2M (c)20M (d) 0.02M
What do you mean by the term dipole moment? Briefly describe it.
Why oxidising character of oxoacids of halogens decreases as oxidation number increases?
How many electrons are present in a benzene?
Choose the right answer from following. The amount of NaOH in gms in 250cm3 of a0.100M NaOH solution would be : (a) 4 gm (b) 2 gm (c) 1 gm (d) 2.5 gm
what is the basicity of primary secondary and tertiary amines in chlorobenzene
what is the molarity of the solution prepared by dissolving 75.5 g of pure KOH in 540 ml of solution
what is molarity of a solution of hcl which contains 49% by weight of solute and whose specific gravity is 1.41
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