The correct order of ionic radii of {tex}Y^{3+}, La^{3+}, Eu^{3+}{/tex} and {tex}Lu^{3+}{/tex}is
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) :
then the matrix A is equal to
According to MO theory, which of the following ranks the nitrogen species in terms of increasing bond order?
Which one of the following pairs of substances will not produce hydrogen when reacted together?
The values of λ so that the line 3x-4y=λ touches x2+y2-4x-8y-5=0 are
The major product of the reaction between tert-butylchloride and sodium-ethoxide is
a, b, c (all positive) are the pth, qth, and rth terms of a geometric progression then
At STP, volume of 0.01g of {tex}H_2{/tex} is the same as that of
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