Everyday Science MCQs

5120 MCQs  (Page 320 of 512)

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on sp3 hybridization ________________?
A. All p-orbitals are involved
B. One s and 3 p-orbitals are involved
C. One p-orbital is involved
D. Four p-orbitals are involved
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What is the relative rate of effusion of CO and CO2 ?
A. Co is 1.25 times faster than co2
B. Co is 3.75 times faster than co2
C. Co is 1.25 times faster than co
D. Both diffuse at the same rate
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Which of the following is not considered as an intermolecular force between molecules ?
A. Coordinate covalent bonds
B. Hydrogen bonds
C. Debye forces
D. London dispersion forces
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Ideal gasses have all the following characteristics except ?
A. Absence of intermolecular forces
B. Collisions among the molecules of an ideal gas are perfectly elastic
C. The molecules occupy no space
D. All of the above are correct
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Under what conditions the gases deviate from the ideal behavior ?
A. High temperature
B. Low temperature
C. High pressure
D. B and c
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Ionic bond is produced after complete transfer of ________________ ?
A. Nucleus
B. Neutrons
C. Electrons
D. Protons
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Bond will beionic when E.N difference of bonded atom is ____________________?
A. Equal to 1.7
B. Greater than 1.7
C. Less than 1.7
D. No specificity exists
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Which one of the following has polar covalent bond ?
A. Hf
B. Ch4
C. H2
D. N2
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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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Orbitals of same energy produced after mixing of orbitals of different energy are called __________________?
A. Degenerate orbitals
B. Generate orbitals
C. Hybrid orbitals
D. Zeeman orbitals
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Word of the Day
25 Jul
January
a preference or special liking for something; a bias in favour of something.
2021:00:00

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