Everyday Science MCQs

5120 MCQs  (Page 322 of 512)

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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
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Bond order for N2 molecule is __________________?
A. 2
B. 1
C. 3
D. 4
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Unit of dipole moment is_________________?
A. Debye
B. Posie
C. Pascal
D. Newton
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The relative attraction of the nucleus for the electrons in a chemical bond is called _________________?
A. Ionization energy
B. Electron affinity
C. Electro negativity
D. None of the above
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Which of the following will have highest value of electron affinity_________________?
A. F
B. Cl
C. Br
D. I
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Which of the solid does not contain covalent bond________________?
A. Copper
B. Ice
C. Diamond
D. Graphite
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Shielding effect across the period ________________?
A. Increases
B. Decreases
C. Constant
D. None
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Which one has maximum number of unpaired electrons ?
A. 6x
B. 7y
C. 9z
D. 13w
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Mostly ionic compound are produced in between elements of_________________?
A. Ia and via
B. Ia iia and viia
C. Ib and viib
D. Ia and ib
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The Lewis acids are__________________?
A. Electron deficient
B. Electron rich
C. Octet is complete
D. No such acids exist
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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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