Amount of oxalic acid present in a solution can be determined by its titration with KMnO4 solution in the presence of H2SO4. The titration gives unsatisfactory result when carried out in the presence of HCl, because HCl
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A thin rod of length 'L' is lying along the x-axis with its ends at x=0andx=L. Its linear density (mass/length) varies with x as k(Lx)n, where n can be zero or any positive number. If the position xCM of the centre of mass of the rod is plotted against 'n', which of the following graph best approximates the dependence of xCM on n ?
Using MO theory predict which of the following species has the shortest bond length ?
The lines p(p2+1)xy+q=0and(p2+1)2x+(p2+1)y+2q=0areperpendicular to a common line for
The vapour pressure of water at 202C is 17.5 mm Hf. If 18 g of glucose (C6H12O6) is added to 178.2 g of water at 20∘C, the vapour pressure of the resulting solution will be
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The height at which the acceleration due to gravity becomes 9g (where g = the accleeration due to gravity on the surface of the earth) in terms of R, the radius of the earth is
The IUPAC name of neopentane is
The area of the plane region bounded by the curves x+2y2=0and x+3y2=1is equal to