MCQ
Major product ?
- A
- B
- C
- ✓
✓
Answer
Correct option: D.
d
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The $IUPAC$ name for the formula
→$\begin{array}{*{20}{c}}
{\,\,\,\,H} \\
{\,\,\,\,|} \\
{C{H_3} - C = C - COOH} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$
$1\, mole$ each of following solutes are taken in $5\, moles$ water,
$(i)\, NaCl$ $(ii)\, K_2SO_4$ $(iii)\, Na_3PO_4$ $(iv)$ glucose
Assuming $100\%$ ionisation of the electrolyte, relative decrease in $V. P.$ will be in order
→$(i)\, NaCl$ $(ii)\, K_2SO_4$ $(iii)\, Na_3PO_4$ $(iv)$ glucose
Assuming $100\%$ ionisation of the electrolyte, relative decrease in $V. P.$ will be in order
In the reaction $[X]$ will be :
→Given
→| Reaction | Energy Change (in $kJ$ ) |
| $Li(s) \to Li(g)$ | $161$ |
| $Li(g) \to Li^+(g)$ | $520$ |
| $\frac {1}{2}F_2(g)\,\to F(g)$ | $77$ |
| $F(g) + e^- \to F^-(g)$ | (Electron gain enthalpy) |
| $Li^+ (g) + F^-(g) \to LiF(s)$ | $-1047$ |
| $Li (s) + \frac {1}{2}F_2(g)\to LiF(s)$ | $-617$ |
Based on data provided, the value of electron gain enthalpy of fluorine would be.....$kJ\,mol^{-1}$
On complete combustion, $0.492\,g$ of an organic compound gave $0.792\,g$ of $CO _2$.The $\%$ of carbon in the organic compound is $..................$ (Nearest integer)
→The molecular formula of sulphur is
Benzyne intermediate is not observed in :
Rank the following species in order of decreasing nucleophilicity in a polar protic solvent (most $\to$ least nucleophilic)
→$\underset{(1)}{\mathop{C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}{{O}^{-}}}}\,\,\,\,\,\,\underset{(2)}{\mathop{C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}{{S}^{-}}}}\,\,\,\,\underset{(3)}{\mathop{\begin{matrix}
\,\,\,\,\,\,\,O \\
\,\,\,\,\,\,\,\,|| \\
C{{H}_{3}}C{{H}_{2}}C-{{O}^{-}} \\
\end{matrix}}}\,$
Given
→$C + 2S \to CS_2 ; \,\Delta H_f^o = +117.0\,kJ\,mol^{-1} .......(1)$
$C + O_2 \to CO_2 ; \,\Delta H_f^o = -393\,kJ\,mol^{-1} .......(2)$
$S + O_2 \to SO_2 ; \, \Delta H_f^o = -297\,kJ\,mol^{-1} .......(3)$
The heat of reaction of
$CS_2 + 3O_2 \to CO_2 + 2SO_2$ is
.....$kJ\,mol^{-1}$
The $IUPAC$ name of the compound having the formula $CH\equiv C-CH=CH_2$ is
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