Question 1 of 10

Question 2 of 10

A solution of urea (mol. Mass 60g {tex}mol^{-1}{/tex}) boils at {tex}100.18^\circ{/tex} C at the atmospheric pressure. If {tex}K_f{/tex} and {tex}K_b{/tex} for water are 1.86 and 0.512 K kg {tex}mol^{-1}{/tex} respectively, the above solution will freeze at

Question 3 of 10

The condition that ax + by + c = 0 is tangent to the parabola y² = 4ax is

Question 4 of 10

The sequence of ionic mobility in aqueous solution is

Question 5 of 10

If X = , then Xⁿ, for n ∈ N is equal to

Question 6 of 10

The radius of the coil which has 10 turns is 0.1m. The current required to produce a deflection of 60° (B_h = 4×10^-5T)

Question 7 of 10

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)

Question 8 of 10

Sulphur trioxide can be obtained by which of the following reaction.

Question 9 of 10

Which of the following has maximum number of lone pairs associated with Xe?

Question 10 of 10

When 32.25g of ethyl chloride is subjected to dehydrohalogenation reaction the yield of the alkene formed is 50%. The mass of the product formed is: (atomic mass of chlorine is 35.5)