MCQ
Consider the following statements for $\overset{\centerdot \,\,\,\,\,\,\,\,\,\,}{\mathop{C{{H}_{3}}}}\,=X$ and $\overset{\centerdot \,\,\,\,\,\,\,\,\,\,}{\mathop{C{{F}_{3}}}}\,=Y$ .
$(I)$ When $X$ dimerises bond angle decreases
$(II)$ When $X$ dimerises bond angle increases
$(III)$ In $X-Y$ molecule $C-C$ bond length is less than that in $Y-Y$ molecule
$(IV)$ Bond angle in $X$ is greater than that in $Y$
$(I)$ When $X$ dimerises bond angle decreases
$(II)$ When $X$ dimerises bond angle increases
$(III)$ In $X-Y$ molecule $C-C$ bond length is less than that in $Y-Y$ molecule
$(IV)$ Bond angle in $X$ is greater than that in $Y$
- A$II, III$
- B$I, II, III$
- ✓$I, IV$
- D$II, III, IV$