MCQ
Which gas will be evolved out when $[CH_3CH_2NH_2 + (CH_3)_2CHNH_2]$ is treated with sodium nitrite and $HCl$ :
- AChlorine
- BAmmonia
- ✓Nitrogen
- D$NO_2$
$CH _3 CH _2 NH _2+\left( CH _3\right)_2 CHNH _2+ HNO _2 \underset{273-278 K }{\stackrel{ NaNO _2+ HCl }{\longrightarrow}} CH _3 CH _2 OH +\left( CH _3\right)_2 CHOH + H _2 O + N _2 \uparrow$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Penta acetate of glucose $\xrightarrow[{\operatorname{Re} agent}]{{Tollen's}}$ $+\,ve$ test $(A)$
Penta acetate of glucose $\xrightarrow{{Benedicts}}$ $+\,ve$ test $(B)$
Penta acetate of glucose $\xrightarrow[{\operatorname{Re} agent}]{{Schiffs}}$ $-\,ve$ test $(C)$
Penta acetate of glucose $\xrightarrow{{NaHS{O_3}}}$ $-\,ve$ test $(D)$
The following data are observed
| $[X_2]$ | $[Y_2]$ | Rate of appearance of $XY$ ($M/sec$) |
| $0.1$ | $0.1$ | $5 × 10^{-6}$ |
| $0.2$ | $0.1$ | $10^{-5}$ |
| $0.2$ | $0.2$ | $4 × 10^{-5}$ |
Rate constant of reaction will (in $M^{1-n}\,sec^{-1}$) where $'n'$ is order of reaction
$(i)$ Pure solvent $\to$ separated solvent molecules $\Delta$ $H_1$
$(ii)$ Pure solute $\to$ separated solute molecules$\Delta$ $H_2$
$(iii)$ Separated solvent and solute molecules $\to$ solution $\Delta H_3$ Solution so formed will be ideal if