JEE (Advanced) 2010 Paper-2

Instructions

For the following questions answer them individually

Question 1

The complex showing a spin-only magnetic moment of 2.82 B.M. is

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Question 2

The species having pyramidal shape is

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Question 3

In the reaction

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Question 4

The compounds P, Q and S

were separately subjected to nitration using $$HNO_3/H_2SO_4$$ mixture. The major product formed in each case respectively, is

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Question 5

The packing efficiency of the two-dimensional square unit cell shown below is

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Question 6

Assuming that Hund's rule is violated, the bond order and magnetic nature of the diatomic molecule $$B_2$$ is

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Question 7

The total number of diprotic acids among the following is

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Question 8

Total number of geometrical isomers for the complex $$[RhCl(CO)(PPh_3)(NH_3)]$$ is

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Question 9

Among the following, the number of elements showing only one non-zero oxidation state is
O, Cl, F, N, P, Sn. Tl, Na, Ti

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Question 10

Silver (atomic weight = $$108 g mol^{-1}$$) has a density of 10.5 g $$cm^{-3}$$. The number of silver atoms on a surface of area $$10^{-12} m^2$$ can be expressed in scientific notation as $$y \times 10^x$$. The value of x is

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