Acetone on treatment with $CH_3MgI$ and on further hydrolysis gives:

The dipole moment is the highest for

Identify compound $A$ from the following reaction:
$A + C_2H_5MgBr$ $\xrightarrow[ether]{dry} B$ $\xrightarrow{H_3O^{+}} 3-\text{methylpentan}-3-\text{ol}$

Reduction of $>C=O$ to $CH_2$ can be carried out with:

Both acetaldehyde and acetone (individually) undergo which of the following reactions?
$A$. Iodoform Reaction
$B$. Cannizzaro Reaction
$C$. Aldol condensation
$D$. Tollen's Test
$E$. Clemmensen Reduction
Choose the correct answer from the options given below:

The product $A$ in the above reaction is