MCQ
Which amide gives bromamide reaction? propanamine by Hoffmann bromamide reaction?
- ✓Butanamide
- BEthanamide
- CPropanamide
- DPentanamide
✓
Answer
Correct option: A.
Butanamide
A
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The osmotic pressure of a dilute solution is $7 \times 10^5 \mathrm{~Pa}$ at $273 \mathrm{~K}$. Osmotic pressure of the same solution at $283 \mathrm{~K}$ is . . . . . . .$\times 10^4 \mathrm{Nm}^{-2}$.
→Which of the following statements is not true
At $527\,^{\circ} C$ temperature the activation energy is $54.7 \,KJ / mole$ The value of Arrhenius factor is $4 \times 10^{10} .$ The rate constant will be
→Select the complex in which metal have primary valency $= 2$, secondary valency $= 4$ and shows stereo-isomerism :
→Which one is not a constituent of nucleic acid?
$\begin{matrix}
O\,\,\,\,\,\, \\
||\,\,\,\,\,\, \\
R-C-N{{H}_{2}} \\
\end{matrix}$ $+xNaOH+B{{r}_{2}}\to $ $R-N{{H}_{2}}+2NaBr$ $+N{{a}_{2}}C{{O}_{3}}+{{H}_{2}}O$
→O\,\,\,\,\,\, \\
||\,\,\,\,\,\, \\
R-C-N{{H}_{2}} \\
\end{matrix}$ $+xNaOH+B{{r}_{2}}\to $ $R-N{{H}_{2}}+2NaBr$ $+N{{a}_{2}}C{{O}_{3}}+{{H}_{2}}O$
Number of moles of $NaOH $ used in above Hoffmann bromamide reaction is
For the electrochemical cell, $Mg ( s )\left| Mg ^{2+}( aq , 1 M ) \| Cu ^{2+}( aq , 1 M )\right| Cu ( s )$ the standard emf of the cell is $2.70 V$ at $300 K$. When the concentration of $Mg ^{2+}$ is changed to $x$, the cell potential changes to $2.67 V$ at $300 K$. The value of $x$ is.
→(given, $\frac{ F }{ R }=11500 K V ^{-1}$, where $F$ is the Faraday constant and $R$ is the gas constant, The value of $\ln (10)=2.30$ )
Statement “Ozone in atmosphere is decreased by chloro-fluoro-carbon $(C{l_2}{F_2}C)$”
→$\underset{(d)}{\mathop{\begin{matrix}
C{{H}_{3}}-CH-OAc \\
| \\
Et \\
\end{matrix}}}\,$ $\xrightarrow{H{{O}^{-}}}$ ( $d=$ dextro rotatory) Product of the reaction is
→C{{H}_{3}}-CH-OAc \\
| \\
Et \\
\end{matrix}}}\,$ $\xrightarrow{H{{O}^{-}}}$ ( $d=$ dextro rotatory) Product of the reaction is
Relative rate of reaction with $H_2O$
→