Which one among the following compounds will most readily be dehydrated under acidic condition?
| (A) | (B) | (C) | (D) |
|---|---|---|---|
| CH3-CH2-CH2-OH | CH3-CH(CH3)-CH2-OH | CH3-CH2-CH(CH3)-OH | C(CH3)(CH3)-CH2-OH |
| (1° alcohol) | (2° alcohol) | (2° alcohol) | (3° alcohol) |
Identify the suitable reagent for the following conversion: $Ph-C(=O)-OCH_3$ $\longrightarrow$ $Ph-CHO$