The given alkene undergoes ozonolysis: $2\text{-methylbut-2-ene}$ $\xrightarrow[{(2)\ H_2O/Zn}]{{(1)\ O_3}} \mathop X\limits_{(C_2H_4O)} + \mathop Y\limits_{(C_3H_6O)}$
$X \xrightarrow[{(2)\ H_2O}]{{(1)\ LiAlH_4}} P$
$Y \xrightarrow[{(2)\ H_2O}]{{(1)\ LiAlH_4}} Q$
Which of the following statements is incorrect for $X$,$Y$,$P$,and $Q$?

• A
  $X$ and $Y$ give positive iodoform test
• B
  $P$ and $Q$ can be distinguished by Victor Meyer test
• C
  $P$ and $Q$ are homologues
• D
  $X$ shows Cannizzaro's reaction but $Y$ does not