Solved Chemistry MCQS
An endothermic reaction is one in which the reacting substances
Have more energy than the products
Are at a higher temperature than the products.
Have the same energy as the products
Have less energy than the products
The number of unpaired electrons in the p-subshell of oxygen atom
2
3
4
1
Which of the following is acidic?
HgO
N2O
BeO
SO3
In Friedal-Craft’s alkylation besides AlCl3the other reactants are
C6H6 + CH3Cl
C6H6 + CH3COCl
C6H6 + CH4
C6H6 + NH3
Which of the following belongs to the halogen family?
Francium
Radium
Astatine
Polonium
Ozane is not
A powerful oxidizing agent
An allotrope
a bent molecule
Paramegnetic
Octane number is zero for
Isoheptane
n-Heptane
n-Hexane
Isooctane
The rate of a reaction that does not involves gases, does not depend upon
Catalyst
Pressure
Temperature
Concentration
Which of the following statement is correct if the intermolecular forces in liquids A, B and C are in the order A < B < C?
B evaporates less readily than C
A and B evaporates at the same rate
B evaporates more readily than A
A evaporates more readily than C
Which of the following geometry is associated with the compound in which the central atom assumes sp3d hybridization?
Pyramidal
Trigonal bipyramidal
Angular
Planar
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