Question 1 of 10

The energy level diagrams for exothermic S_N1 and S_N2 reactions could be respectively (R - Reactants P - products)

Question 2 of 10

For the data

the Karl Pearson coefficient is

Question 3 of 10

Question 4 of 10

An organic compound A(C₄H₉Cl) on reaction with Na/diethyl ether gives a hydrocarbon which on monochlorination gives only one chloro derivative. A is

Question 5 of 10

Given the polymers ; A = Nylon ; B = Buna - S;C = Polythene. Arrange these in increasing order of their intermolecular force (lower to higher)

Question 6 of 10

The area bounded by the curve y=x⁴-2x³+x²+3 with x-axis and ordinates corresponding to the minima of y is

Question 7 of 10

A beaker containing a liquid appears to be half when it is actually two third full. The refractive index of liquid is

Question 8 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 9 of 10

Two identical balls A and B collide head on elastically. If the velocity of A and B before collision are 0.5 m/s and -0.3m/s respectively, then their velocities after collision will be

Question 10 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)