The osmotic pressure of blood is 8.21 atm at 37C. How much glucose would be used for an injection that is at the same osmotic pressure as blood?
22.17 gL-1
58.14 gL-1
61.26 gL-1
75.43 gL-1
At equilibrium, the rate of dissolution of a solid solute in a volatile liquid solvent is
less than the rate of crystallisation
greater than the rate of crystallisation
equal to the rate of crytallisation
zero
C.
equal to the rate of crytallisation
At equilibrium, rate of dissolution of solute in a volatile liquid solvent is equal to rate of crystallisation.
A number of elements available in earth's crust but most abundant elements are
Al and Fe
Al and Cu
Fe and Cu
Cu and Ag
The element which forms oxides in all oxidation states + 1 to + 5 is
nitrogen
phosphorus
arsenic
antimony
Which of the following is the increasing order of enthalpy of vaporization?
NH3, PH3, AsH3
AsH3, PH3 NH3
NH3, AsH3, PH3
PH3, AsH3, NH3
The rate of a gaseous reaction is given by the expression k[A] [B]. If the volume of the reaction vessel is suddenly reduced to the initial volume, the reaction rate relating to original rate will be
8
16
For the process to occur under adiabatic conditions, the correct condition is
T = 0
p = 0
q = 0
W = 0
O2(g) O3(g); Kp for this reaction is 2.47 x 10-29. At 298 K, for conversion of oxygen to ozone will be
100 kJ mol-1
150 kJ mol-1
163 kJ mol-1
2303 kJ mol-1
Which one ofthe following statements about C2 molecule is wrong?
The bond order of C2 is 2.
In vapour phase, C2 molecule is diamagnetic.
Double bond in C2 molecule consists of both - bonds because of the presence of 4 in two - molecular orbitals.
double bond in C2 molecule consists of one - bond and on -bond.