5. Predict the products of the following reaction, then write the balanced molec

Question

5. Predict the products of the following reaction, then write the balanced molecular, total ionic and net ionic reactions. Sr(OH)2 NaBr + ? Sa. Classify the reaction as: redox, acid-base, precipitation, double replacement, single replacement, or combustion. 5b. Label all acids, bases, reducing agents, oxidizing agents and precipitates in the reaction. 5c. What is the oxidation number of the oxygen in strontium hydroxide? 6. Predict the products of the following reaction, then write the balanced molecular, total ionic and net ionic reactions. le replacement, single a Clasify the reanction as: redox, acid-baspreciptation double replacement, sngle replacement, or combustion. 6b. Label all acids, bases, reducing agents, oxidizing agents and precipitates in the reaction. 6c. What is the oxidation number of the sulfur in sulfuric acid?

Explanation / Answer

5.

Sr(OH)2   +   NaBr     ----->     NaOH   +   SrBr2

The balanced reaction equation is

Sr(OH)2   +   2NaBr     ----->     2NaOH   +   SrBr2

5(a)

It’s a double displacement reaction (Metathesis)

5(b)

Sr(OH)2 and SrBr2 are bases.

5(c)

Sr is in +2

OH is in -1.

So, O is in -2 oxidation state.

6.

NH3   +   H2SO4 -----> (NH4)2SO4.

The balanced reaction equation is

2NH3   +   H2SO4 -----> (NH4)2SO4.

6(a)

It’s an acid base reaction.

6(b)

NH3 is a base and H2SO4 is an acid.

6(c)

H2SO4

+2 +6 + 4x = 0
8 + 4x = 0
4x = -8
x = - 2

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