MCQ
$1-$ chlorobutane reacts with alcoholic $ KOH$ to form
- ✓$1-$ butene
- B$2-$ butane
- C$1- $ butanol
- D$2-$ butanol
✓
Answer
Correct option: A.
$1-$ butene
a
(a) $C{H_3}C{H_2}C{H_2}C{H_2} - Cl + KOH({\rm{alc}}{\rm{.}}) \to $ $\mathop {C{H_3}C{H_2} - CH = C{H_2} + KCl + {H_2}O}\limits_{{\rm{1 - butene}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} $
(a) $C{H_3}C{H_2}C{H_2}C{H_2} - Cl + KOH({\rm{alc}}{\rm{.}}) \to $ $\mathop {C{H_3}C{H_2} - CH = C{H_2} + KCl + {H_2}O}\limits_{{\rm{1 - butene}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} $
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Out of the following the one that undergoes reaction with 50% NaOH solution to give corresponding alcohol and acid is:
Which of the following is water soluble vitamin?
Nickel steel contain $\%$ of $ Ni$
→When KCN is added to CuSO4 solution, there is formation of the stable water soluble complex. This complex is:
On heating $NaCl$ + ${K_2}C{r_2}{O_7}$ + $conc.{H_2}S{O_4}$, the gas comes out is
→Match the column $(I)$ with column $(II)$ and mark the appropriate choice
→| column $(I)$ | column $(II)$ | ||
| $(A)$ | Kohlraush law | $(i)$ | $\Lambda _{eq}^o = \Lambda _c^o + \Lambda _a^o$ |
| $(B)$ | Molar Conductivity |
$(ii)$ | $\Lambda _m = \frac{{K \times 1000}}{M}$ |
| $(C)$ | Degree of Dissociation |
$(iii)$ | $\alpha = {\Lambda _m}/\Lambda _m^o$ |
| $(D)$ | Dissociation Constant |
$(iv)$ | ${k_a} = C{\alpha ^2}/1 - \alpha $ |
Chlorine is used in water for
Semipermeable membrane allows :
Consider the above reaction, compound $B$ is :
→Consider the following reactions
→$A\xrightarrow[(ii)\;H_3O^+]{(i)\;CH_3MgBr}B\xrightarrow[573\;K]{Cu}2-$methyl $2-$butene
The mass percentage of carbon in $A$ is