pKa of a weak acid (HA) and pKb of a weak base (BOH) are 3.2 and 3.4, respectively. The pH of their salt (AB) solution is:-
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The area (in sq. units) of the quadrilateral formed by the tangents at the end points of the latera recta to the ellipse 9x2+5y2=1, is:
The number of geometric isomers that can exist for square planar [Pt(Cl)(py)(NH3)(NH2OH)]+ is (py = pyridine):
Which one of the following molecules is expected to exhibit diamagnetic behaviour?
Arrange the following compounds in order of decreasing acidity:
The negation of s∨( r∧s) is equivalent to :
If m is the A.M. of two distinct real numbers land n(l,n>1)andG1,G2 and G3 are three geometric means between land n, then G14+2G24+G34equals,
Which of the following compounds is not an antacid ?
The vapour pressure of acetone at 20∘C is 185 torr. When 1.2 g of a non - volatile substance was dissolved in 100 g of acetone at 20∘C, its vapour pressure was 183 torr. The molar mass (gmol−1) of the substance is :