Download App

STD 11 - 9. Hydricarbon — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 9. Hydricarbon4 Marks
MCQ
$2-$ Bromobutane on heating with alcoholic $KOH$ forms
  • A
    $\alpha-$ Butylene only
  • B
    $\beta-$ Butylene only
  • C
    $20\%$ of $\beta-$ Butylene $+\, 80\%$ of $\alpha-$ Butylene
  • ✓
    $80\% \,\beta-$ Butylene $+ 20\%\, \alpha-$ Butylene
✓

Answer

Correct option: D.
$80\% \,\beta-$ Butylene $+ 20\%\, \alpha-$ Butylene
d

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

The compound which undergoes $S_{N^1}$ reaction most rapidly is
→
Which is the $IUPAC$ name of

$\begin{array}{*{20}{c}}
  {\,{C_2}{H_5}} \\ 
  {|\,\,\,\,\,} \\ 
  {C{H_3} - C - C{H_2}Cl} \\ 
  {|\,\,\,\,\,} \\ 
  {\,{C_2}{H_5}} 
\end{array}$

→
When a metal rod ${M}$ is dipped into an aqueous colourless concentrated solution of compound ${N}$, the solution turns light blue. Addition of aqueous $\mathrm{NaCl}$ to the blue solution gives a white precipitate ${O}$. Addition of aqueous $\mathrm{NH}_3$ dissolves ${O}$ and gives an intense blue solution.

$1.$ The metal rod ${M}$ is

$(A)$ $\mathrm{Fe}$ $(B)$ $\mathrm{Cu}$ $(C)$ $\mathrm{Ni}$ $(D)$ $\mathrm{Co}$

$2.$ The compound ${N}$ is

$(A)$ $\mathrm{AgNO}_3$ $(B)$ $\mathrm{Zn}\left(\mathrm{NO}_3\right)_2$

$(C)$ $\mathrm{Al}\left(\mathrm{NO}_3\right)_3$ $(D)$ $\mathrm{Pb}\left(\mathrm{NO}_3\right)_2$

$3.$ The final solution contains

$(A)$ $\left[\mathrm{Pb}\left(\mathrm{NH}_3\right)_4\right]^{2+}$ and $\left[\mathrm{CoCl}_4\right]^{2-}$

$(B)$ $\left[\mathrm{Al}\left(\mathrm{NH}_3\right)_4\right]^{3+}$ and $\left[\mathrm{Cu}\left(\mathrm{NH}_3\right)_4\right]^{2+}$

$(C)$ $\left[\mathrm{Ag}\left(\mathrm{NH}_3\right)_2\right]^{+}$and $\left[\mathrm{Cu}\left(\mathrm{NH}_3\right)_4\right]^{2+}$

$(D)$ $\left[\mathrm{Ag}\left(\mathrm{NH}_3\right)_2\right]^{+}$and $\left[\mathrm{Ni}\left(\mathrm{NH}_3\right)_6\right]^{2+}$

Give the answer question $1,2$ and $3.$

→
Which of the following molecules acts as a Lewis acid ?
→
Acidified $K_2Cr_2O_7$ solution turns green when $Na_2SO_3$ is added to it. This is due to the formation of
→
Number of colourless lanthanoid ions among the following is . . . . .

$\mathrm{Eu}^{3+}, \mathrm{Lu}^{3+}, \mathrm{Nd}^{3+}, \mathrm{La}^{3+}, \mathrm{Sm}^{3+}$

→
The dual nature of photons is decribed by :
→
$\begin{array}{*{20}{c}}
  {\begin{array}{*{20}{c}}
  {C{H_2} - OH} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}} \\ 
  {C{H_2} - OH} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_2} - SH} 
\end{array}$ ${ + \mathop {C{H_3}MgBr}\limits_{\left( {Excess} \right)}  \to xC{H_4}}$

What is the value of $x$ in the above reaction ?

→
The four quantum number for the valence shell electron or last electron of sodium $(Z =$ $11$ $)$ is
→
The commercial uses of $DDT$  and benzene hexachloride are
→