which type of reaction is c₁₂h₂₂o₁₁ → 12c + 11h₂o?\no synthesis\no decomposition\no oxidation\no combustion

Brief Explanations:

A decomposition reaction is one where a single compound breaks down into two or more simpler substances. In the given reaction, $C_{12}H_{22}O_{11}$ breaks down into carbon ($C$) and water ($H_2O$). Synthesis is the opposite (combining simpler substances into a more complex one). Oxidation involves a change in oxidation state often with the addition of oxygen or loss of hydrogen. Combustion is a reaction with oxygen to produce heat and usually carbon - dioxide and water. Here, the reaction is a decomposition.

Answer:

B. decomposition