Question 21.6: Give the formula of the oxide that reacts with water to form...
Give the formula of the oxide that reacts with water to form
(a) H_{3}PO_{3} (b) HClO (c) H_{2}SO_{3}
STRATEGY
Refer to Table 21.3. Find an oxide in which the central atom has the same oxidation number as the acid.
Table 21.3 Nonmetal Oxides*
Group 17 | Group 16 | Group 15 |
OF_{2}(g), O_{2}F_{2}(g) | N_{2}O_{5}(s), N_{2}O_{4}(g), NO_{2}(g) | |
N_{2}O_{3}(d), NO(g), N_{2}O(g) | ||
Cl_{2}O_{7}(l), Cl_{2}O_{6}(l) | SO_{3}(l), SO_{2}(g) | P_{4}O_{10}(s), P_{4}O_{6}(s) |
ClO_{2}(g), Cl_{2}O(g) | ||
BrO_{2}(d), Br_{2}O(d) | ||
I_{2}O_{5}(s), I_{4}O_{9}(s), I_{2}O_{4}(s) |
*The states listed are those observed at 25°C and 1 atm. Compounds that decompose below 25°C are listed as (d). Oxides shown in boldface are discussed in the text
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