Which of the following statements is correct

Which of the following set of variables give a straight line with a negative slope when plotted ?<br>(P - vapour pressure, T = Temperature in K)

Three faradays of electricity was passed through an aqueous solution of iron(II) bromide.The weight of iron metal(at.wt=56) deposited at the cathode is(in grams):

The bonds in K₄Fe(CN)₆ are:

Which one of the following equations represents the variation of viscosity coefficient (η) with temperature (T) ?

&#8710;x is given by &#8710;x=(Hydrogen energy-Lattice energy). For a salt &#8710;x is found to be 500 kcal mol^-1.Then on increasing the temperature, its solubility in water

If the length of the unit cell is 5 A^o. the smallest distance in A^o between the two neighbouring metal atoms in a face centred cubic lattice is

The weight in grams of a non-volatile solute (M.wt:60) to be dissolved in 90 g of water to produce a relative lowering of vapour pressure of 0.02 is

9.8 g of H₂SO₄is present in two litres of a solution.The molarity of the solution is: