MCQ
$\alpha - $ Amino acids are
- Aacidic due to $-COOH$ group and basic due to $-NH_2$ group
- ✓acidic due to $-NH_3^+$ group and basic due to $-COO^-$ group
- Cneither acidic nor basic.
- Dnone is true
$\begin{array}{*{20}{c}}
{R\,\,\,\,\,\,\,\,\,} \\
{|\,\,\,\,\,\,\,\,\,\,} \\
{{H_3}\mathop {NCHCOOH}\limits^{ + \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} }
\end{array}$ $\xleftarrow{{acid}}$ $\begin{array}{*{20}{c}}
{R\,\,\,\,\,\,\,\,} \\
{|\,\,\,\,\,\,\,\,\,} \\
{{H_3}\mathop {NCHCO{O^ - }}\limits^{ + \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} }
\end{array}$ $\xrightarrow{{base}}$ $\begin{array}{*{20}{c}}
{R\,\,\,\,\,\,\,\,} \\
{|\,\,\,\,\,\,\,\,\,} \\
{{H_2}NCHCO{O^ - }}
\end{array}$
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$n$ $l$ $m_1$ $m_2$
$A.$ The electron gain enthalpy of $F$ is more negative than that of $Cl$
$B.$ Ionization enthalpy decreases in a group of periodic table
$C.$ The electronegativity of an atom depends upon the atoms bonded to it.
$D.$ $Al _2 O _3$ and $NO$ are examples of amphoteric oxides.
Choose the most appropriate answer from the options given below:
$CH_3-COOH$ $\mathop {\xrightarrow{{(i)\,B{r_2}/P}}}\limits_{(ii)\,NaCN\,(iii)\,{H_2}O/{H^ \oplus }/\Delta } \,[X]$
$[X]$ will be :