Q. Benzaldehyde on reaction with $Al ( EtO )_{3}$ forms an organic compound which on hydrolysis gives two compounds $A$ and $B$. Reduction of $A$ with $LiAlH _{4}$ gives back $B$ which on Collins reagent oxidation gives an organic compound $[X]$ of molecular mass of $[X]$ is
Aldehydes Ketones and Carboxylic Acids
Solution:
Correct answer is '106'