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Define Colligative Properties of A Dilute Solution?
The colligative properties of a solution are usually considered to be:
1. Freezing-point depression: the decrease in the freezing point of the solution, com- pared to pure solvent at the same pressure.
2. Boiling-point elevation: the increase in the boiling point of a solution containing nonvolatile solutes, compared to pure solvent at the same pressure.
The number of unpaired electrons in an O 2 molecule is: (1) 0 (2) 1 (3) 2 (4) 3 Ans: 2
State 2nd law of thermodynamics in many forms as possible and show that they are identical in figures?
sodium 4-oxo-2-pentenoate
The tris(monothiocarbamato)iron(III)complex shown to the right undergoes conversion from low to high spin state with an increase in temperature. This can be monitored by measurin
Which one of the following is not isoelectronic with O 2- : (1) N- 3 (2) F - (3) Tl + (4) Na + Ans: Tl +
This of the following occurs when two hydrogen atoms bond with each others: (1) Potential energy is lowered (2) Kinetic energy is lowered (3) Electronic motion ceases
The radius of which of the following orbit is same as that of the first Bohr's orbit of hydrogen atom: (1) He + (n= 2) (2) Li 2+ ( n= 2) (3) Li 2
What are the answers on these questions provided?
why beryllium cannot be attacked readily by acid
In CH2=C=CH2 it is given that the length between H of first carbon at top and H of last carbon at top is L1 and length between H of first carbon at top and H of last carbon at bot
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