The structure of o-nitrophenol and p-nitrophenol are shown in the figure. The former is a steam volatile liquid whereas the letter is a solid. Justify your answer giving reason.

While separating a mixture of ortho and para nitrophenols by steam distiliation, name the isomer whịch will be steam volatile. Give reason.

Which has higher boilling point, o-nitrophenol or p- nitrophenol? Give the reason

Which has higher boiling point: o-nitrophenol or p-nitophenol? Give reason.

Addition of HBr to propene yields 2-Bromopropane, while in the presence of Benzoyl peroxide. The same reaction Yields 1- Bromopropane. Give reason. Justify your answer.

Justify the following statements. i. Water mixed with formic acid cannot be separated by fractional distillation. ii. o -nitrophenol is steam volatile while p-nitrophenol is not. iii. Freshly prepared FeSO_4 solution is insisted during the test for nitrogen in Lassaignes test. iv. Copper spiral is used in the apparatus for Dumas method.