MCQ
The osmotic pressure of solution increases, if
- ATemperature is decreased
- BSolution concentration is increased
- ✓Number of solute molecules is increased
- DVolume is increased
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| Column $I$ | Column $II$ | ||
| $(A)$ | Kohlrausch law can calculate | $(P)$ | $\frac{{\Lambda _m^c}}{{\Lambda _m^o}}$ |
| $(B)$ | Molar conductance ${\Lambda _m}$ | $(Q)$ | $\frac{1}{R} \times \frac{l}{A}$ |
| $(C)$ | Specific conductance Kappa $\to (k)$ | $(R)$ | $\Lambda _m^o\,of\,c{a_3}{(P{O_4})_2}$ |
| $(D)$ | Degree of ionization of weak electrolyte | $(S)$ | $\frac{{k \times 1000}}{M}$ |
Which of the following option show correct matches
$Zn_{(s)} +Cu^{+2}_{(aq)} \to Zn^{2+}_{(aq)} +Cu_{(s)}$
$[E^o_{Cu^{+2 /Cu}} = 0.34\,V$ , $E^o_{Zn^{2+} /Zn} = -0.76\,V ]$
| List $I$ Reaction | List $II$ Reagents |
| $A$ Hoffmann Degradation | $I$ Conc.KOH,$\Delta$ |
| $B$ Clemenson reduction | $II$ $CHCl _3, NaOH / H _3 O ^{+}$ |
| $C$ Cannizaro reaction | $III$ $Br _2, NaOH$ |
| $D$ Reimer-Tiemann reaction | $IV$ $Zn - Hg / HCl$ |