x grams of water is mixed in 69 g of ethanol. Mole fraction of ethanol in the resultant solution is 0.6. What is the value of x in grams ?
The vapour pressure of water at 23<sup>0</sup>C is 19.8 mm. 0.1 mole of glucose is dissolved in 178.2 g of water. What is the vapour pressure (in mm) of the resultant solution
If 20 mL of 0.4 N NaOH sol ution completely neutralised 40 mL of a dibasic acid, the molarity of the acid solution is :<br>
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) ?
∆x is given by ∆x=(Hydrogen energy-Lattice energy). For a salt ∆x is found to be 500 kcal mol<sup>-1</sup>.Then on increasing the temperature, its solubility in water
If the length of the unit cell is 5 A<sup>o</sup>. the smallest distance in A<sup>o</sup> between the two neighbouring metal atoms in a face centred cubic lattice is