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Draw a galvanic cell based on the net ionic equation for the reaction below and
complete the following:
a) Label the anode and cathode.
b) Write the oxidation and reduction half reactions for the cell.
c) Indicate the electrode materials, and electrolyte components.
d) Indicate the direction of electron flow and ion migration.
Note: The spectator ion in the reaction is NO3
Al(s) + Au3± (aq) -> Au(s) + AI3+ (aq)
1. Write a balanced redox equation for each conversion using Zn as the reducing agent. [6 marks]
a) VO2+ → VO<sup>2+ </sup>
b) VO2+ → V3+
c) V3+ → V2+
Determine the product(s) for the following reactions:
i) Acetone + Benzophenone (1:1 ratio)
ii) Cyclohexanone + cyclopentanone (1:1 ratio)
In an experiment, 0.791 g of acetone reacts with 1.044 g of benzaldehyde to produce experimental 1.00 g of dibenzalacetone. Calculate the theoretical and percentage yield.
Rock salt is a mixture of salt (sodium chloride) and sand. Describe how you would separate rock salt to obtain salt crystals and pure dry sand.
Choose the correct option: Important factors that influence the E1 reaction mechanism
i. Electron donating ability of substituents
ii. Good leaving group
iii. solvents of high polarity
iv. All of the above
Why the relative Lewis basicity of (H3C)2O is greater than that of (H3Si)2O?
、What is the main reaction and secondary reaction of steam conversion method to
get syngas？
Recall that the length of the box is a substitute measure for the box’s volume. Plot a graph of your results from part A.
An organic compound X contains 40% carbon, 6.7% hydrogen and the rest oxygen. The vapour density of X is 30. The compound reacted with a compound Y and a colourless gas Z which turn limewater milky. On boiling under reflux, the mixture of X and W, gives a sweet smelling liquid G was formed.i. determine the empirical and molecular formula of X.
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#339914 on Dec 2023