p block
why BiF3 is ionic whereas other trihalides are covalent in nature?
Provide solution of this question. According to Raoult's law the relative lowering of vapour pressure of a solution of volatile substance is equal to: (a) Mole fraction of the solvent (b) Mole fraction of the solute (c) Weight percentage of a solute (d) Weight perc
The boiling point of 0.1 molal aqueous solution of urea is 100.18oC at 1 atm. The molal elevation constant of water is: (a) 1.8 (b) 0.18 (c) 18 (d) 18.6Answer: (a) Kb
Whether HCl is a base or an acid? Briefly state your comments?
Describe briefly the procedure to judge that the given organic compound is pure or not?
Illustrate a tripod? And how it’s used?
Which of the given modes of expressing concentration is fully independent of temperature: (1) Molarity (2) Molality (3) Formality (4) Normality Choose the right answer from above.
37% weight of HCl and density is 1.1g/ml. find molarity of HCl
Can someone please help me in getting through this problem. 1.0 gm of pure calcium carbonate was found to require 50 ml of dilute HCL for complete reaction. The strength of the HCL solution is given by: (a) 4 N (b) 2 N (c) 0.4 N (d) 0.2 N
What do you mean by the term enzymes? Briefly illustrate it.
Elaborate a dipole moment?
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