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.Management Sciences
Category: Chemistry Mcqs
Which one of the following is not a periodic property ?
A. Melting point of elements
B. Boiling point of elements
C. Ionization energy of elements
D. Coordination number of ions
Any process of chemical decay of metals due to the action of surrounding medium is called__________________?
A. activation
B. enameling
C. corrosion
D. coating
The number of molecules taking part in the rate determining step is called___________________?
A. Order of reaction
B. Rate of reaction
C. Mole of a reaction
D. Extent of a reaction
Which one of the following substances conducts electricity by the movement of ions ?
A. Graphite
B. Copper
C. Molten sodium chloride
D. Mercury
The ionization energy__________________?
A. Generally increases from left to right in a period
B. Does not change in a period
C. Increase from top to bottom in a group
D. Does not change in a group
Non-metals usually form _________________ oxides?
A. Acidic
B. Amphoteric
C. Neutral
D. All of the above
Molecular orbital which have higher energy than atomic orbitals is called___________________?
A. Bonding molecular orbital
B. Antibonding molecular orbital
C. Hybrid orbital
D. Super atomic orbital
Which set of elements is listed in order of increasing ionization energy ?
A. Sb < As < S < P < Cl
B. Cl < Sb < P < As < S
C. As < Cl < P < S < Sb
D. Sb < As < Cl < S < P
Which of the following gases is the main cause of acid rain ?
A. CO
B. NO2
C. both a & b
D. none of the above
Which of the following potassium fertilizers are more useful for horticultural crops tobacco & potatoes ?
A. KCI
B. KNO3
C. K2SO4
D. KMnO4
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