QUESTION IMAGE
Question
balance the reaction, do not leave any fractions, dont leave anything blank, then answer the questions about the reaction
1 ag₂so₄ + 2 mg → 3 ag + 4 mgso₄
this is an 5 reaction. is this a redox reaction? (yes/no)6, because ag⁺¹ is reduced to ag⁰, and because mg⁰ is 7 to mg⁺².
will the reaction happen as it is written? (yes/no)8, because ag is more stable than mg. the reverse reaction would not happen.
a. 1 b. 2 c. 3 d. 4 e. 5 f. 6 g. 7 h. 8
i. 9 j. 10 k. 12 l. 14 m. 16 n. 18 o. 20 p. 21
q. 24 r. 26 s. 28 t. synthesis u. decomposition
v. single displacement w. double displacement x. neutralization
y. combustion z. yes aa. no bb. reactive cc. stable
dd. oxidized ee. reduced
Step1: Balance the chemical equation
For the reaction \(Ag_2SO_4+Mg
ightarrow Ag + MgSO_4\), we balance the Ag atoms. There are 2 Ag atoms on the left - hand side (\(Ag_2SO_4\)), so we put a 2 in front of \(Ag\) on the right - hand side. The balanced equation is \(Ag_2SO_4 + Mg
ightarrow2Ag+MgSO_4\). So, the coefficients are: \(1\) (\(Ag_2SO_4\)), \(1\) (\(Mg\)), \(2\) (\(Ag\)), \(1\) (\(MgSO_4\)).
Step2: Identify the reaction type
In the reaction \(Ag_2SO_4+Mg
ightarrow2Ag + MgSO_4\), one element (\(Mg\)) displaces another element (\(Ag\)) from its compound (\(Ag_2SO_4\)). This is a single - displacement reaction (type \(V\)).
Step3: Determine if it is a redox reaction
A redox reaction involves the transfer of electrons (change in oxidation states). In \(Ag_2SO_4\), the oxidation state of \(Ag\) is \(+ 1\) (\(Ag_2SO_4\): let \(x\) be the oxidation state of \(Ag\), \(2x+( - 2)\times4+(+6)=0\), \(2x - 8 + 6=0\), \(2x=2\), \(x = + 1\)), and in \(Ag\) it is \(0\). The oxidation state of \(Mg\) changes from \(0\) (in \(Mg\)) to \(+2\) (in \(MgSO_4\)). Since there is a change in oxidation states (reduction of \(Ag^{+1}\) to \(Ag^0\) and oxidation of \(Mg^0\) to \(Mg^{+2}\)), it is a redox reaction (answer \(Z\)).
Step4: Determine if the reaction will occur as written
Magnesium (\(Mg\)) is more reactive than silver (\(Ag\)) (from the activity series of metals). A more reactive metal can displace a less reactive metal from its compound. So the reaction \(Ag_2SO_4+Mg
ightarrow2Ag + MgSO_4\) will occur as written (answer \(Z\)).
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