MCQ
Which of the following is not a colligative property [
- ✓Optical activity
- BElevation in boiling point
- COsmotic pressure
- DLowering of vapour pressure
Optical activity does not depends upon number of particles present hence it is not a colligative property.
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(Given : $\ln 2=0.693$ )
$(1)$ $\begin{matrix}
O \\
|| \\
{{C}_{6}}{{H}_{5}}-C-{{C}_{6}}{{H}_{5}} \\
\end{matrix}$
$(2)$ $C _{6} H _{5}- CHO$
$(3)$ $p - CH _{3}- C _{6} H _{4}- CHO$
$(4)$ $p - CH _{3} O - C _{6} H _{4}- CHO$
Compound $(C)$ can show geometrical isomerism. Product $(E)$ of the reaction will be
