mcq
Give me answer of this question. The normality of 10% (weight/volume) acetic acid is: (a)1 N (b)10 N (c)1.7 N (d) 0.83 N
1. The units of Henry Law constant are same as those of pressure, i.e. torr or h bar.
2. Different gases have dissimilar values of Henry law constant. The values of KH for some gases in water are given in tabl
The osmotic pressure of a 5% solution of cane sugar at 150^{o}C is (mol. wt. of cane sugar = 342)(a) 4 atm (b) 3.4 atm (c) 5.07 atm (d) 2.45 atmAnswer: (c) Π = (5 x 0.0821 x 1000 x 423)/(342 x 100) = 5.07 atm
Choose the right answer from following. An X molal solution of a compound in benzene has mole fraction of solute equal to 0.2. The value of X is: (a)14 (b) 3.2 (c) 4 (d) 2
Superphosphate has the formulae: CaH4 (PO4)2H2). Calculate the percentage of phosphorus in this chemical. Show your calculations (around ten lines); also Work out how to make up a nutrient mixtur
Provide solution of this question. A certain aqueous solution of FeCl_{3 } (formula mass =162) has a density of 1.1g/ml and contains 20.0% Fecl. Molar concentration of this solution is: (a) .028 (b) 0.163 (c) 1.27 (d) 1.47
The French chemist Francois Marie Raoult (1886) carried out a series of experiments to study the vapour pressure of a number of binary solutions. On the basis of the results of the experiments, he proposed a generalization called Raoult's law which states that, <
what is molarity of a solution of hcl which contains 49% by weight of solute and whose specific gravity is 1.41
Atomic orbitals can be combined, in a process called hybridization, to describe the bonding in polyatomic molecules.
Descriptions of the bonding in CH_{4} can be used to illustrate the valence bond procedure. We must arrive a
What is the correct answer. To made a solution of concentration of 0.03 g/ml of AgNO_{3}, what quantity of AgNO_{3} must be added in 60 ml of solution: (a) 1.8 (b) 0.8 (c) 0.18 (d) None of these
Select the right answer of the question. What is molarity of a solution of HCl that contains 49% by weight of solute and whose specific gravity is 1.41 : (a) 15.25 (b) 16.75 (c) 18.92 (d) 20.08
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