MCQ
Select the gas-phase reaction$(s)$ which can proceed spontaneously ?
- A$C{l^ - } + I \to {I^ - } + Cl$
- B$S{i^ + } + Cl \to Si + C{l^ + }$
- CBoth $(A)$ and $(B)$
- ✓$Kr + H{e^ + } \to K{r^ + } + He$
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$1$. $NH_3 + NH_4Cl$
$2$. $HCl + NaCl$
$3$. $NH_3 + HCl$ in $2 : 1$ $mole$ ratio
Select the correct answer using the code given below
| Mass of dinitrogen | Mass of dioxygen |
| $14\, g$ | $16\, g$ |
| $14\, g$ | $32\, g$ |
| $28\, g$ | $32\, g$ |
| $28\, g$ | $80\, g$ |
Which law of chemical combination is obeyed by the above experimental data ?
| LIST I | LIST II | ||
| A. | alpha - Glucose and alpha - Galactose | I. | Functional isomers |
| B. | alpha - Glucose and beta - Glucose | II. | Homologous |
| C. | alpha - Glucose and alpha - Fructose | III. | Anomers |
| D. | alpha - Glucose and alpha - Ribose | IV. | Epimers |
True statement about sequence on the basis of assumption that $R$ contains $3$ different groups is
$\mathop R\limits^{\delta \oplus } \,\mathop {Br}\limits^{\delta \,\Theta } \, \rightleftharpoons $ $\mathop {\boxed{{R^ \oplus }B{r^\Theta }}}\limits_{(a)} \,\,\, \rightleftharpoons \,$$\,\mathop {\boxed{{R^ \oplus }}\,\boxed{B{r^\Theta }}\,}\limits_{(b)} \,\, \rightleftharpoons $ ${\boxed{{R^ \oplus }}}$ $ \rightleftharpoons $ $\mathop {\,\boxed{B{r^\Theta }}\,}\limits_{(c)} \,$