Which of the following represents the correct ranking in terms of increasing boiling point?

Why does anisole undergo bromination with Br2 in the absence of FeBr3 whereas bromination of benzene requires the presence of FeBr3?

What is the expected product for the following reaction?   

When 2,4-dinitrochlorobenzene is treated with sodium hydroxide at 100°C followed by protonation ________.

Which of the following statements is consistent with the mechanism for nucleophilic addition of aldehydes/ketones under basic conditions?

Which of the following is the most reactive toward addition of a Grignard reagent?

Which of the following chlorobenzenes does not undergo nucleophilic aromatic substitution upon treatment with NaNH2?

What is (are) the product(s) of the following reaction?

Which of the following compounds is most reactive towards nucleophilic addition reaction?  

The compound shown below is the cyclic hemiacetal of