Identify the suitable reagent for the reaction given below.
$CH_3-CO-CH_3 \xrightarrow[(ii) H_3O^+]{(i) ?} (CH_3)_3C-OH$

$H_2C=CH-CH_2-CH_2-CH(OH)-CH_3$ $\xrightarrow[\text{Pyridine}]{SOCl_2} (A)$ $\xrightarrow[H_2O]{O_3/Zn} (B) (C_5H_9ClO)$ $\xrightarrow{NaBH_4} (C)$
Compound $(C)$ is:

Which of the following reactions are incorrect?
$(a)$ $CH_2(COOH)_2 \xrightarrow{\Delta} CH_3COOH + CO_2$
$(b)$ Aniline $\xrightarrow{CH_3Cl/AlCl_3}$ $p$-chloroaniline
$(c)$ Phenol $\xrightarrow{CHCl_3 + aq. NaOH}$ Salicylic acid
$(d)$ $CH_3CHO + NaHSO_3 \rightleftharpoons CH_3CH(OH)SO_3Na$
$(e)$ Benzene $\xrightarrow{CO, HCl, Anhydrous AlCl_3/CuCl}$ Benzaldehyde

In which of the following reactions does an aromatic aldehyde react with an acid anhydride in the presence of the salt of the corresponding acid to form an unsaturated aromatic acid?

Which of the following does not reduce Fehling solution?

Consider the given reaction:
$CH_3-CO-CH_3 \xrightarrow{C_6H_5COOOH} CH_3-COO-CH_3$
The above reaction is known as: