Will Iron Rust in 0.1M Sodium Dichromate?

[danago]

If i take a piece of iron, and put it into a 0.1 mol/L solution of sodium dichromate, will rusting occur?

If the solution was 1 mol/L, i could use my table of standard reduction potentials, and find the emf of the reaction, but 0.1 mol/L isn't standard conditions. How should i go about something like this?

 

[unique_pavadrin]

you can use to table of standard potentials to roughly estimate what would occur, bu state that you used the standard potentials. this is generally not asked for you to find it, as it will generally be given to you

 

[Blueshift5]

I can provide an answer to your question. Iron will not rust in a 0.1M solution of sodium dichromate. This is because the concentration of the solution is not high enough to initiate the rusting process. Rusting, or the formation of iron oxide, requires the presence of both oxygen and water. In a 0.1M solution, the concentration of water is relatively low and therefore, the rusting process will not occur.

In terms of determining the emf of the reaction, you can still use your table of standard reduction potentials to calculate the potential difference between the iron and sodium dichromate. However, the value may not be accurate since the conditions are not standard. To get a more accurate result, you can perform an experiment and measure the emf of the reaction under the given conditions. This will give you a more precise value for the potential difference between the two substances. Additionally, you can also adjust the concentration of the solution to see how it affects the rusting process and the emf of the reaction. Overall, it is important to consider the conditions when conducting experiments and interpreting results in order to get accurate and reliable data.