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General Chemistry

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Moderate

Metal and Nonmetallic Character

CHEM-PMYHZ$

The metallic behavior of an element decreases and its non-metallic behavior increases as the positive oxidation number of the element in its compounds increases.

Among the chlorides of Sn and Pb are ${ SnCl }_{ 4 }^{ },{ PbCl }_{ 4 }^{ }, { SnCl }_{ 2 }^{ }$ and ${ PbCl }_{ 2 }^{ }$.

Which of the following pairs is highly covalent in character?

A

${ PbCl }_{ 2 }^{ },{ SnCl }_{ 4 }^{ }$

B

${ PbCl }_{ 4 }^{ },{ SnCl }_{ 2 }^{ }$

C

${ SnCl }_{ 4 }^{ },{ PbCl }_{ 4 }^{ }$

D

${ PbCl }_{ 2 }^{ },{ SnCl }_{ 2 }^{ }$