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A solution of oxalic acid is mixed with a solution of cesium hydroxide. This chemical reaction requires double displacement. I got this as my chemical equation:
$$\ce{C2H2O4 + CsOH -> H3O + CsC2O4}$$
My teacher says it is wrong, is it really incorrect?
Is the one below the right one?
$$\ce{C2H2O4 + CsOH -> CsHC2O4 + H2O}$$
You have a dicarboxylic acid (Oxalic Acid) reacting with a base (Cesium Hydroxide). This reaction will give you a carboxylate salt (Cesium Oxalate) and water. This is basically a neutralization reaction.
$$\ce{C2H2O4 + 2CsOH -> C2Cs2O4 + 2H2O}$$
You need 2 Cesium cations to neutralize the -2 charge of the dicarboxylic acid.
Here is an image of how Cesium oxalate looks like:
