A. 4.0 x 10-8
B. 3.2 x 10-11
C. 2.0 x 10-8
D. 4.0 x 10-12
0
Which of the following points are important in connection with equilibrium constant ?
0
Which of the following molecule is polar__________________?
A. Kc is constant at given temperature
B. Kc is unaffected by change in concentration of reactants or products
C. Kc indicates the extent of reaction but not about the rate of reaction.
D. All of the above
0
Which of the following elements has greater 1st ionization energy__________________?
A. CCI4
B. CO2
C. BF3
D. none of the above
0
Which catalyst is used in contact process ?
A. B
B. C
C. N
D. O
0
What is maximum number of electrons in an orbital with m (magnetic quantum number) = 3 ?
A. Fe2O3
B. V2O5
C. SO3
D. Ag2O
0
On heating aldehydes with Fehlings solution we get a precipitate whose colour is_________________?
A. 6
B. 4
C. 3
D. 2
0
Fruit juices and fizzy drinks such as lemonade are often sold in aluminium cans. What is the most important reason aluminium is a suitable metal ?
A. pink
B. black
C. yellow
D. brick red
0
In solids the temperature is the measure of__________________?
A. aluminium can be recycled
B. aluminium has very low density
C. aluminium is the most abundant metal in the earth crust
D. aluminium is resistant to corrosion by organic acids.
0
All the transition elements show_________________?
A. Average kinetic energy of molecules
B. Vibrational kinetic energy
C. Translational kinetic energy
D. None of the above
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