MCQ
Increasing the temperature of an aqueous solution will cause
- ADecrease in molality
- ✓Decrease in molarity
- CDecrease in mole fraction
- DDecrease in $ \% $ $w/w$
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| List$-I$ Test/Reagents/Observation(s) | List$-II$ Species detected |
| $(a)$ Lassaigne's Test | $(i)$ Carbon |
| $(b)\;Cu ( II )$ oxide | $(ii)$ Sulphur |
| $(c)$ Silver nitrate | $(iii)\;N , S , P ,$ and halogen |
| $(d)$ The sodium fusion extract gives black precipitate with acetic acid and lead acetate | $(iv)$ Halogen Specifically |
The correct match is
$\begin{array}{*{20}{c}}
{C{H_3}\,\,\,\,\,\,\,\,\,\,\,}\\
{\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
{C{H_3} - C - CH = C{H_2}}\\
{\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$ $\xrightarrow{{{H_2}O/{H^ \oplus }}}$ $\mathop A\limits_{{\rm{(major)}}} $ + $\mathop B\limits_{{\rm{(minor)}}} $
The major product is
