Ethanol on reaction with acetic anhydride gives

With reference to the scheme given,which of the given statement$(s)$ about $T$,$U$,$V$ and $W$ is (are) correct?
$A$. $T$ is soluble in hot aqueous $NaOH$
$B$. $U$ is optically active
$C$. Molecular formula of $W$ is $C_{10}H_{18}O_4$
$D$. $V$ gives effervescence on treatment with aqueous $NaHCO_3$

Identify the final product in the following reaction:
$CH_3-CH(OH)-COOH \xrightarrow{\Delta} \text{Product}$

Which of the following compounds on hydrolysis gives reactant $(A)$?

Product $(X)$ is

What is the major product of the following reaction?