MCQ
The IUPAC name of sec. butyl alcohol is:
- A1-butanol
- B2-butanol
- C2-methyl-l-butanol
- D2-methyl-2-butanol
Explanation:
The IUPAC name of the sec. butyl acohol is 2-butanol because the longest continue chain contain 4-carbon as well as the −OH group is attached to 2nd carbon , hence the name is 2-butanol.

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| Column I | Column II |
| (a) Non ideal solution with positive deviation | (i) $H _2 O (57 \%)+ HI (43 \%)$ |
| (b) Maximum boiling azeotrope | (ii) $CHCl _3+\left( CH _3\right)_2 CO$ |
| (c) Non ideal solution with negative deviation | (iii) $C _2 H _5 OH (95.4 \%)+ H _2 O (4.6 \%)$ |
| (d) Minimum boiling azeotrope | (iv) $CCl _4+ C _6 H _5 CH _3$ |