Question 1 of 10

Cathode rays are produced when the pressure is of the order of

Question 2 of 10

B.H.C is prepared by treating benezene with

Question 3 of 10

A

B

C

D

E

Question 4 of 10

Which of the following organic compounds has same hydridization as it's combustion product- {tex}(CO_2){/tex} ?

Question 5 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 6 of 10

If x₁, x₂, x₃ as well as y₁, y₂, y₃ are in GP with the same common ratio, then the points (x₁, y₁), (x₂, y₂) and (x₃, y₃) :

Question 7 of 10

Propyne is treated with sodamide and the product is treated with methyl iodide to get

Question 8 of 10

A spring of force constant k is cut into two pieces such that one piece is double the length of the other. The force constant of the longer piece will be

Question 9 of 10

Question 10 of 10

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