MCQ
Which of the following has smallest bond angle
- ✓${H_2}O$
- B$N{H_3}$
- C$C{H_4}$
- D$C{O_2}$
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| Isotope | Atomic mass (amu) | Relative abundance (%) |
| 36 Ar | 35.97 | 0.337 |
| 38 Ar | 37.96 | 0.063 |
| 40 Ar | 39.96 | 99.6 |
Statement $I :$ The $E ^{\circ}$ value of $Ce ^{4+} / Ce ^{3+}$ is $+1.74 \,V$
Statement $II :$ $Ce$ is more stable in $Ce ^{4+}$ state than $Ce ^{3+}$ state.
In the light of the above statements, choose the most appropriate answer from the options given below
$\begin{array}{*{20}{c}}
{C{H_3} - C{H_2} - C - COOH} \\
{\,\,\,\,\,\,\,\,||} \\
{\,\,\,\,\,\,\,\,\,\,\,\,C{H_2}}
\end{array}$
is :
$(W)$ Red ppt. $\xrightarrow{{dil.\,\,HCl}}$ $(Y)$ white ppt.
$(U)$ $\mathop {\xrightarrow{{NaOH}}}\limits_\Delta $ $(Z)$ gas (gives white fumes with $HCl$ ) ?
sublimes on heating
Identify $(T)$ to $(Z).$