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Question 1 of 10

According to MO theory, which of the following ranks the nitrogen species in terms of increasing bond order?

A{tex}N^{2-}_{2} < N^{-}_{2} < N_2{/tex}

B{tex}N_2 < N^{2-}_{2} < N^{-}_{2}{/tex}

C{tex}N^{-}_{2} < N^{2-}_{2} < N^{-}_{2}{/tex}

D{tex}N^{-}_{2} < N_2 < N^{2-}_{2}{/tex}

Question 2 of 10

then x is

A-2

C-4

Question 3 of 10

If (2, 3, 5) is one end of a diameter of the sphere x² + y² + z² - 6x - 12y - 2z + 20 = 0, then the coordinates of the other end of the diameter are

A(4, 3, 5)

B(4, 9, -3)

C(4, 9, 3)

D(4, 3, -3)

E(4, 9, 5)

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

Aj - k

B(i + j) / √2

C(j + k) / √2

D(j - k) / √2

E5 (j-k)

Question 5 of 10

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

AButylamine

B2 - butene

C2 - butyne

DPropyl methyl amine

Question 6 of 10

Cπ/2

Dπ/4

Enone of these

Question 7 of 10

The temperature at which 10% aqueous solution (w/V) of glucose will exhibit the osmotic pressure of 16.4 atm, is (R = 0.082 dm³ atm K^-1 mol^-1)

A360°

B180K

C90K

D360K

Question 8 of 10

The correct order of ionic radii of {tex}Y^{3+}, La^{3+}, Eu^{3+}{/tex} and {tex}Lu^{3+}{/tex}is

A{tex}Y^{3+} < La^{3+} + Eu^{3+} < Lu^{3+}{/tex}

B{tex}Lu^{3+} << Y^{3+} < Eu^{3+} < La^{3+}{/tex}

C{tex}Lu^{3+} < Eu^{3+} < La^{3+} < Y^{3+}{/tex}

D{tex}La^{3+} < Eu^{3+} < La^{3+} < Y^{3+}{/tex}

Question 9 of 10

For the data

the Karl Pearson coefficient is

A63 / (√ 94 × √ 66)

B63

C63 / √ 94

D63 / √ 66

E1 / [√(94 × 66)]

Question 10 of 10

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

A7/6

B6/5

C3/2

D4/3

That's all folks!

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