Question 2.15: Recognizing Incorrect Names and Formulas of Binary Covalent ......

Chemistry The Molecular Nature of Matter and Change With Advanced [1125936]

Recognizing Incorrect Names and Formulas of Binary Covalent Compounds

Problem Explain what is wrong with the name or formula at the end of each statement, and correct it:

(a) $SF_4$ is monosulfur pentafluoride.

(b) Dichlorine heptoxide is $Cl_2O_6$ .

(c) $N_2O_3$ is dinitrotrioxide.

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Solution (a) There are two mistakes. Mono- is not needed if there is only one atom of the first element, and the prefix for four is tetra-, not penta-. The correct name is sulfur tetrafluoride.
(b) The prefix hepta- indicates seven, not six. The correct formula is $Cl_2O_7$ .
(c) The full name of the first element is needed, and a space separates the two element names. The correct name is dinitrogen trioxide.

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