Learners are provided with the following apparatus and a solution to assemble an electrochemical cell - NSC Technical Sciences - Question 5 - 2023 - Paper 2
Question 5
Learners are provided with the following apparatus and a solution to assemble an electrochemical cell.
- Carbon rods
- Beaker
- Copper (II) chloride (aq)
- Cell
- C... show full transcript
Worked Solution & Example Answer:Learners are provided with the following apparatus and a solution to assemble an electrochemical cell - NSC Technical Sciences - Question 5 - 2023 - Paper 2
Step 1
5.1 What TYPE of an electrochemical cell can be assembled using ALL of the apparatus above and the solution?
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The type of electrochemical cell that can be assembled using all of the provided apparatus and the Copper (II) chloride solution is an electrolytic cell.
Step 2
5.2 Write down TWO components in the list above to justify the answer to QUESTION 5.1.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The two components necessary for this electrochemical cell are:
Carbon rods - These will act as the electrodes.
Beaker - This is required to contain the Copper (II) chloride solution.
Step 3
5.3.1 Which ONE of the electrodes will be the ANODE? Write down only ELECTRODE CONNECTED TO POSITIVE TERMINAL or ELECTRODE CONNECTED TO NEGATIVE TERMINAL.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The ELECTRODE CONNECTED TO POSITIVE TERMINAL will be the ANODE.
Step 4
5.3.2 Write down the half-reaction taking place at the anode.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The half-reaction taking place at the anode is:
ightarrow ext{Cu}(s)$$
Step 5
5.3.3 Write down the NAME or FORMULA of the product formed at the anode.
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The product formed at the anode is Copper (Cu).
Step 6
5.4 Write down THREE examples of alternate energies.
97%
121 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
