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.Management Sciences
Category: Chemistry Mcqs
Enthalpy change can be_________________?
A. calculated by Hess law
B. can be measured by calorimeter
C. both A and B
D. none
H2 gas in SHE is filled at pressure of___________________?
A. 760mm of Hg
B. 750mm of Hg
C. 780mm of Hg
D. 800mm of Hg
Isomerism which is present only in alkene is__________________?
A. structural isomerism
B. metamerism
C. cis-trans isomerism
D. both b and c
Metallic characters of alkali metals_____________________?
A. Increase down the group
B. Decrease down the group
C. No regular trend
D. Remain same
Cannizaros reaction takes place through the transfer of ____________________ from complex anion?
A. hydrogen ion
B. hydride ion
C. oxide ion
D. methoxide ion
In the van der Waals equation (P + n2a / v2) (v – nb) = nRT which of the following statement is not true ?
A. n2a/v correct for the intermolecular forces.
B. nb correct for the volume occupied by gas molecules.
C. at high densities the equation reduces to the ideal gas law
D. all of the above statements are correct.
The soul of chemistry is dealing with___________?
A. Internal structural changes in matter
B. Composition of matter
C. Properties of matter
D. Composition and properties of matter
Qualitative analysis is carried out for _________________?
A. identification of elements
B. estimation of amounts of elements
C. molar ration of elements
D. molar volume of elements
Sharing of 1 electron pair by one specie forms_________________?
A. Single covalent bond
B. Hydrogen bond
C. Double covalent bond
D. Coordinate covalent bond
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