A binary liquid solution is prepared by mixing n - heptane and ethanol. Which one of the following statement is correct regarding the behaviour of the solution?
The sequence of ionic mobility in aqueous solution is
At a certain temperature, the dissociation constants of formic acid and acetic acid are 1.8 x 10-4 and 1.8 x 10-5 respectively. The concentration of acetic acid solution in which the hydrogen ion has the same concentration as in 0.001 M formic acid solution is equal to
Cathode rays are produced when the pressure is of the order of
A flask was filled with {tex}CCl_4{/tex} vapours at a particular temperature and pressure. These vapours were then replaced by oxygen gas at the same temperature and pressure, the mass of {tex}CCl_4{/tex} vapours will be
The least stable free radical is
{tex} CH_{3}CH_{2}{/tex}
{tex}CH_{3}CH_{2}CH_{2}{/tex}
{tex} (CH_{3})_{2}CH{/tex}
{tex} CH_{3}{/tex}
Select the wrong statement:
A beaker containing a liquid appears to be half when it is actually two third full. The refractive index of liquid is
The rate of a reaction doubles when its temperature changes from 300 K to 310 K. Activation energy of such a reaction will be: (R = 8.314 J{tex}K^{-1} mol^{-1}{/tex} and log2 = 0.301)
Which of the following statement is true?
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