II. Fill in the blanks by choosing the appropriate word from those given in the brackets:
(aldehydes, phenol, fluorobenzene, decreases, greater, benzene)
\[
5 \times 1=05
\]
16. The melting point of interstitial compound is \( \qquad \) than the pure metal.
17. Benzenediazonium fluoroborate on heating decomposes to give \( \qquad \)
18. The simplest hydroxy derivative of benzene is \( \qquad \)
19. When a non-volatile solute is added to the pure solvent, the freezing point of solvent \( \qquad \)
20. Ozonolysis of alkenes followed by reaction with zinc dust and water gives \( \qquad \)
PART-B
