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Question
Which of the following molecules is/are exception(s) to the octet rule?
Which of the following molecules is/are exception(s) to the octet rule?
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Solution
The correct option is D All of the above
The octet rule refers to the tendency of atoms to prefer to have eight electrons in its valence shell.
a) According to octet rule, Xe cannot form compounds since it has 8 electrons in the outermost shell.
b) Phosphorus pentachloride has 10 electrons in its valence shell
c) Berrylium chloride has only 4 electrons in its valence shell.
The octet rule refers to the tendency of atoms to prefer to have eight electrons in its valence shell.
a) According to octet rule, Xe cannot form compounds since it has 8 electrons in the outermost shell.
b) Phosphorus pentachloride has 10 electrons in its valence shell
c) Berrylium chloride has only 4 electrons in its valence shell.
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