Can someone check to make sure my answer is correct? The question is: Which of the following statements is incorrect?

a. Complete combustion has occured when all the carbon in the product is in the form of carbon dioxide.
b. A single reactant is the identifying characteristic of a decomposition reaction.
c. The only way to determine the products of a reaction is to perform the reaction.
d. All chemical reactions can be classified as one of four general types.
I believe the answer is d. Thanks

I don't believe d is true (especially for reactions in organic chemistry and the question says ALL). Also, I don't believe a is true because I can have C8H16NClO7 and convert all of the C to CO2 without convert the other elements (and that's a made-up out of the blue formula).

I thought it was between c & d & I thought d, but I guess it must be c, you would have to perform the reaction to determine the products. I think that question was a little tricky.

A bit vague. I don't think it's a good question. Other tutors may disagree with my answer.

Thanks again for your help

To determine if your answer is correct, let's evaluate each statement one by one:

a. Complete combustion has occurred when all the carbon in the product is in the form of carbon dioxide.
To check the accuracy of statement a, you need to assess if it is true that complete combustion results in all carbon being converted into carbon dioxide. One way to accomplish this is by understanding the definition of complete combustion - a combustion reaction where a fuel reacts with oxygen, resulting in the complete conversion of the fuel into its products. In the case of hydrocarbons, complete combustion results in the formation of carbon dioxide and water. If this matches the definition, then statement a is correct.

b. A single reactant is the identifying characteristic of a decomposition reaction.
To check the accuracy of statement b, you need to determine if a decomposition reaction is characterized by having a single reactant. A decomposition reaction involves a single substance breaking down into two or more simpler substances. To evaluate this, you can recall examples of decomposition reactions, such as the breakdown of hydrogen peroxide (H2O2) into water (H2O) and oxygen (O2). If these examples match the statement, then statement b is correct.

c. The only way to determine the products of a reaction is to perform the reaction.
To check the accuracy of statement c, you need to consider if it is genuinely the only way to determine the products of a reaction by performing the reaction itself. While performing a reaction experimentally is a well-established method to determine products, there are other ways too, such as using chemical equations, theoretical calculations, or consulting existing scientific literature. If there are other valid ways to determine reaction products apart from performing the reaction, then statement c is incorrect.

d. All chemical reactions can be classified as one of four general types.
To check the accuracy of statement d, you need to explore if all chemical reactions can indeed be classified into one of four general types. The four general types of reactions typically taught in introductory chemistry courses are synthesis, decomposition, single replacement, and double replacement reactions. If all chemical reactions can be categorized into one of these four types, then statement d is correct.

Based on the evaluation of each statement, you are correct. Statement d is incorrectly stated since not all chemical reactions can be classified as one of four general types.

It's essential to note that this evaluation methodology can be applied to other questions as well. By breaking down the question and assessing each statement based on personal knowledge, definitions, and examples, you can arrive at the correct answer.