Which of the following conditions is essential for using fractional distillation as a method for separation of the components from mixture? (i) The components must differ in their boiling points atleast by\[{{15}^{o}}C\]. (ii) The components must have same boiling points. (iii) The components must be miscible with each other. (iv)The components, must be immiscible with each other.

• A. (i) and (ii)
• B. (ii) and (iii)
• C. (i) and (iv)
• D. (i) and (iii)