Please answer as fast as possible

$.$What happens when the Grignard Reagent like $PhMgBr$ is exposed to acid?

$2.$ What is the nucleophile in the Grignard reaction in this lab $?$

$3.$ Why do we add an excess of Grignard reagent and what is the solvent in this reaction?

$4.$ How many moles of the limiting reagent was used in the reaction $?$ What is the theoretical yield?

$5.$ What techniques would you use to identify the product?

EXPERIMENTALPROCEDURE:

Part $18$

Prepare an ice water bath in case it is noeded later.

In a fumo hood, assemble n on page $4$ of this document and clamp it to a ring stand with a stir box as a base. Place crushed moles