Question 1 of 10

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

Question 2 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 3 of 10

then the matrix A is equal to

A

B

C

D

E

Question 4 of 10

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

Question 5 of 10

Which one of the following pairs of substances will not produce hydrogen when reacted together?

Question 6 of 10

The values of λ so that the line 3x-4y=λ touches x²+y²-4x-8y-5=0 are

Question 7 of 10

The major product of the reaction between tert-butylchloride and sodium-ethoxide is

Question 8 of 10

a, b, c (all positive) are the pth, qth, and rth terms of a geometric progression then

Question 9 of 10

At STP, volume of 0.01g of {tex}H_2{/tex} is the same as that of

Question 10 of 10

A

B

C

Dall of the above

Enone of these