A. Decreases with the increase of concentration of the solute
B. Increases with the increase of concentration of the solute
C. Remains constant
D. Is unity at infinite dilution
Related Mcqs:
- The concentration of (H+) ions is 4 x 10-5 in a solution. Then pH of the solution will be (Given log 4 = 0.6) ?
A. 4.4
B. 5.6
C. 8.4
D. 2.4 - Diffusion co-efficient of a metal in a solid solution depends upon its ?
A. Composition
B. Temperature
C. Both A. & B.
D. Neither A. nor B. - The heat of neutralisation remains constant, when there is a reaction between dilute solutions of strong _____________________?
A. Base and strong acid
B. Base and weak acid
C. Acid and weak base
D. None of these - Solute atoms which cause yield point phenomenon in mild steel are/is_________________?
A. Aluminium
B. Boron
C. Carbon
D. Nitrogen - The two elements required to form substitutional solid solution should not have___________________?
A. Same crystalline structure
B. Same valency
C. Widely differing electronegativity
D. Same atomic sizes - Two solutions A1 & A2 have pH value of 2 & 6 respectively. It implies that the solution ?
A. A1 is more alkaline than solution A2
B. A1 is highly acidic
C. A2 is very slightly acidic
D. Both B. & C. - Consider an ideal solution of components A and B. The entropy of mixing per mole of an alloy containing 50% B is_______________?
A. R ln 2
B. -R ln 2
C. 3 R ln 2
D. -3R ln 2 - What happens, when SO2 is passed through a solution of H2S in water ?
A. Precipitation of sulphur takes place
B. H2SO3 is formed
C. Oleum is formed
D. None of these - Air standard Otto cycle is more efficient than the diesel cycle for the same__________________?
A. Heat addition & compression ratio
B. Heat addition & pressure
C. Compression ratio & pressure
D. Cylinder dimension & rpm - Metallic surveying tapes are made of _____________ which has a low co-efficient of expansion & enough strength ?
A. Invar
B. Hastelloy
C. Duralumin
D. Monel metal
