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Social ScienceFor each of the reactions below, classify as a combination, decomposition, single replacement, or double replacement.Hg(NO3)2(aq) + 2NaI(aq) -------------------> HgI2(s) + 2NaNO3(aq)
For each of the reactions below, classify as a combination, decomposition, single replacement, or double replacement.
Hg(NO3)2(aq) + 2NaI(aq) -------------------> HgI2(s) + 2NaNO3(aq)
Expert Answer
The given reaction is to be classified as a combination, decomposition, single replacement, or double replacement-
Hg(NO3)2 (aq) + 2NaI (aq) → HgI2 (s) + 2NaNO3 (aq)
The chemical reactions can be classified into 5 categories-
- Combination reaction – In this, two or more substances combine to form a new single substance. The general form of combination reaction is-
A+ B → AB
- Decomposition reaction – In this, one substance (compound) is broken down into two or more simpler substances. The general form of decomposition reaction is-
AB → A+ B
- Single –replacement reaction – In this type, one element of a compound is replaced by another element, thus forming a new compound. The general form of single-replacement reaction is-
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