MCQ
Tonics in general contain
- AEther
- BMethanol
- ✓Ethanol
- DRectified spirit
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column $A$ | Column $B$ |
| $(i) \;\mathrm{Na}_{2} \mathrm{O}$ | $(a)$ Neutral |
| $(ii) \;\mathrm{Al}_{2} \mathrm{O}_{3}$ | $(b)$ Basic |
| $(iii)\;\mathrm{N}_{2} \mathrm{O}$ | $(c)$ Acidic |
| $(iv)\;\mathrm{Cl}_{2} \mathrm{O}_{7}$ | $(d)$ Amphoteric |
Which of the following options has all correct palrs
$\mathrm{M}(\mathrm{s}) \mid \mathrm{M}^{+}$(aq; $0.05$ molar) || $\mathrm{M}^{+}(\mathrm{aq}), 1$ molar) $\mid \mathrm{M}(\mathrm{s})$
For the above electrolytic cell the magnitude of the cell potential $\left|E_{\text {cell }}\right|=70 \mathrm{mV}$.
$1.$ For the above cell
$(A)$ $\mathrm{E}_{\text {cell }}<0 ; \Delta \mathrm{G}>0$ $(B)$ $\mathrm{E}_{\text {cell }}>0 ; \Delta \mathrm{G}<0$
$(C)$ $\mathrm{E}_{\text {cell }}<0 ; \Delta \mathrm{G}^{\circ}>0$ $(D)$ $\mathrm{E}_{\text {cell }}>0 ; \Delta \mathrm{G}^{\circ}>0$
$2.$ If the $0.05$ molar solution of $\mathrm{M}^{+}$is replaced by $0.0025$ molar $\mathrm{M}^{+}$solution, then the magnitude of the cell potential would be
$(A)$ $35 \mathrm{mV}$ $(B)$ $70 \mathrm{mV}$ $(C)$ $140 \mathrm{mV}$ $(D)$ $700 \mathrm{mV}$
Give the answer question $1,2.$
$\mathrm{C}\mathrm{H}_{3} -\mathrm{CH}_{2}-\mathrm{CH}_{2}-\mathrm{O}-\mathrm{C}\left(\mathrm{CH}_{3}\right)_{3} \xrightarrow[\Delta]{{\mathrm{excess} \mathrm{HI}}} \mathrm{C}+\mathrm{D}$
$HC \equiv CH\mathop {\xrightarrow{{NaN{H_2},C{H_3}COC{H_3}}}}\limits_{{H^ + }} X\mathop {\xrightarrow{{H{g^{2 + }},{H_3}{O^ + }}}}\limits_{{H_2}O} Z$ is