1. Examine the balanced net ionic equations for the metals that reacted anywhere
ID: 853632 • Letter: 1
Question
1. Examine the balanced net ionic equations for the metals that reacted anywhere in this experiment. Select all of the true statements from the list below.
One of the products of the reaction is always a chloride ion.
The metal always gains electrons in the reaction.
One of the products of the reaction is always hydrogen gas.
The sum of the charges for the reactants equals the sum of the charges for the products.
The sum of the charges for the reactants does not equal the sum of the charges for the products.
The metal always loses electrons in the reaction.
One of the products of the reaction is always an electron.
2. Examine the balanced net ionic equations for the substance the metal sample reacted with. Select all of the true statements from the list below.
The sum of the charges for the reactants equals the sum of the charges for the products.
If the reacting ion is a metal ion, one of the products of the reaction is always the metal.
The reacting ion always gains electrons in the reaction.
The sum of the charges for the reactants does not equal the sum of the charges for the products.
One of the products of the reaction is always a chloride ion.
The metal always loses electrons in the reaction.
One of the reactants is always an electron.
One of the products of the reaction is always hydrogen gas.
3. Which metal sample did not react in any of the trials?
Ca
Cu
Fe
Mg
Na
Sn
Zn
4. Review your observations of the reactions of the metals with ions in solution including the hydrogen ion.
Which ion was the most reactive?
Ca2+
Cu2+
Fe3+
Mg2+
Na+
Sn2+
Zn2+
H+
5.
Which ion had the least tendency to oxidize a metal sample?
Ca2+
Cu2+
Fe3+
Mg2+
Na+
Sn2+
Zn2+
H+
.1M solution Calcium Copper Iron Magnesium Tin Zinc CaCl2 yes yes no yes no no NaCl yes yes yes yes no yes FeCl3 yes yes yes yes no yes CuCl2 yes yes yes yes yes yes SnCl2 yes no no yes no yes MgCl2 yes no no yes no no ZnCl2 yes no no yes no noExplanation / Answer
This question is based on electrochemical series
not all metal atom cant give chloride ion and hydrogen gas e.g Cu
and if reaction is happening means metall allways loose electron
so
True statements
One of the products of the reaction is always a chloride ion.
The sum of the charges for the reactants equals the sum of the charges for the products.
The metal always loses electrons in the reaction.
If the reacting ion is a metal ion, one of the products of the reaction is always the metal.
The reacting ion always gains electrons in the reaction.
3 Cu
4 Ca2+
5) Cu2+
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