1. The correct IUPAC name for the compound SnO2 is which of the following? a. ti

Question

1. The correct IUPAC name for the compound SnO2 is which of the following?

a. tin oxide b. stannous oxide c. stannous oxygen d. tin (IV) oxide e. tin (II) oxide

2. The correct formula and state of matter for the compound named hydrogen sulfide is

a. H2S(aq) b. H2SO4(g) c. H2SO4(aq) d. H2S(g) e. H2SO3(g)

3. A label on the back of a can of baking powder says that one of the ingredients is “sodium hydrogen phosphate” and another is “disodium hydrogen phosphate”. What are the correct formulas for the two compounds respectively?

a. NaHPO4, Na2HPO4 b. S2HPO4, SH2PO4 c. SH2PO4, S2HPO4 d. NaH2PO4, Na2HPO4 e. Na2HPO4, NaH2PO4

Explanation / Answer

Solutions:-

1. The correct IUPAC name for the compound SnO2 is which of the following?

Solution :- SnO2 = tin(lV) oxide so the answer is option d.

2. The correct formula and state of matter for the compound named hydrogen sulfide is

Solution :- hydrogen sulfide = H2S(g) it is present in gas phase so the correct answer is option d.

3. A label on the back of a can of baking powder says that one of the ingredients is “sodium hydrogen phosphate” and another is “disodium hydrogen phosphate”. What are the correct formulas for the two compounds respectively?

Solution :- sodium hydrogen phosphate” = NaH2PO4

             “disodium hydrogen phosphate = Na2HPO4

So the correct answer is option d. NaH2PO4, Na2HPO4

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