Tollens' test can detect aldehyde [AL-deh-hide]-containing compounds. To perform Tollens' test, an organic compound is mixed with a solution of silver ions. Which of the following indicates that the compound of interest contains an aldehyde?

W) A silver mirror is formed

X) Insoluble silver oxide precipitates from solution

Y) The reaction mixture turns yellow

Z) The aldehyde is reduced to an alcohol
W) A SILVER MIRRO IS FORMED