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.Management Sciences
Category: Chemistry Mcqs
Which solids are called true solids _______________?
A. Metallic
B. Amorphous
C. Crystalline
D. Vitreous
Regular coiling or zigzagging of polypeptide through hydrogen bonding is its___________________?
A. Quantum structure
B. Secondary structure
C. Tertiary structure
D. Primary structure
Which one is not the absolute term of the element _________________ ?
A. Ionization energy
B. Electron affinity
C. Electro negativity
D. Atomic size
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. 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.
Pfund series are produced in the spectrum of hydrogen atom__________________?
A. when electrons jump down to 2nd- orbit
B. when electrons jump down to 3rd- orbit
C. when electrons jump down to 4th- orbit
D. when electrons jump down to 5th- orbit
Three quantum number have been derived from equation of____________________?
A. de-Broglie
B. Plancks
C. Schrodinger
D. Heisenberg
Which of the following statements is incorrect about fluorine_______________?
A. fluorine is restricted to -1 oxidation state
B. fluorine follows octet rule and as well as extended octet rule
C. fluorine has lowest dissociation energy among the halogens
D. both B and C
Which of the following has strongest intermolecular forces of attraction ?
A. Hydrogen (H2)
B. Chlorine (Cl2)
C. lodine (I2)
D. Methane (CH4)
The hydrolysis of Benzenetrizonide will yield three moles of____________________?
A. Glyoxime
B. Benzaldehyde
C. Glycol
D. Glyoxal
On increasing the temperature the rate of reaction increases mainly because_________________?
A. The activation energy of the reaction increases
B. Concentration of the reacting molecules increases
C. Collision frequency increases
D. None of these
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