Question 1 of 10

The energy level diagrams for exothermic SN1 and SN2 reactions could be respectively (R - Reactants P - products)

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Question 2 of 10

For the data

the Karl Pearson coefficient is

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Question 3 of 10

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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

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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)

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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

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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

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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) :

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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

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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° (Bh = 4×10-5T)

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