Question 1 of 10

The rate of a First order reaction 0.04 {tex}mol^{-1} S^{-1}{/tex} at 10 seconds 0.03 {tex}mol^{-1} s^{-1}{/tex} at 20 seconds after intiation of reaction. The half life period of the reaction is

Question 2 of 10

Question 3 of 10

Which of the following will not produce ethane?

Question 4 of 10

A unit vector in the plane of vector i + 2j + k and i + j + 2k and perpendicular to 2i + j + k is

Question 5 of 10

The molecule having smallest bond angle is :

Question 6 of 10

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

Question 7 of 10

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

Question 8 of 10

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

Question 9 of 10

Both ethene and ethyne can be made in one step reactions from

Question 10 of 10

Oxidation states of P in {tex}H_4 P_2 O_5, H_4 P_2 O_6, H_4 P_2 O_7{/tex} are respectively.