Download App

Hydrocarbons — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryHydrocarbons1 Mark
MCQ
The correct $\text{IUPAC}$ name of the given structure $\text{H}_3\text{C}-\text{CH}-\text{C}\equiv\text{CH}\\ \ \ \ \ \ \ \ \ \ \ \ \ \ |\\ \ \ \ \ \ \ \ \ \ \ \ \ \text{CH}_3$ is :
  • A
    $2-$ methylbut $-1-$ yne
  • B
    $1-$ methylbut $-3-$ yne
  • C
    $2-$ methylbut $-3-$ yne
  • ✓
    $3-$ methylbut $-1-$ yne
✓

Answer

Correct option: D.
$3-$ methylbut $-1-$ yne
$\text{H}_3\stackrel{{4}}{\hbox{C}}-\stackrel{{3 \ \ \ \ }}{\hbox{CH}}-\stackrel{{2}}{\hbox{C}}\equiv\stackrel{{1 \ \ \ \ }}{\hbox{CH}}\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{CH}_3\\ \ \ \ \ \ \ _{3-\text{methylbut-1-yne}}$

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

More "M.C.Q (1 Marks)" from Hydrocarbons→Hydrocarbons — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Product $Y$ is
→
$AlF_3$ is soluble in $HF$ only in presence of $KF.$ It is due to the formation of
→
For $1^{st}$ law of thermodynamics, select the correct option.
→
Concentration of $\ce{H_2​O_2}$​ by vacuum distillation gives hydrogen peroxide which is :
→
Match list $-I$ with list $-II$ and then select the correct answer from the codes given below that list

                                  List $-I$

$(A){\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {C_6}{H_6} + CO + HCl\,\xrightarrow{{AlC{l_3}}}\,{C_6}{H_5}CHO$

$(B){\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {C_6}{H_5} + C{H_3}$ $\xrightarrow{{Cr{O_2}C{l_2}}}\,{C_6}{H_5}CHO$

$(C){\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {C_6}{H_5}C{H_2}Br\, + \,C{H_3}Br$ $\xrightarrow{{Na/ether}}\,{C_6}{H_5}C{H_2}C{H_3}$

$(D){\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {C_6}{H_6}\, + \,{(C{H_3})_2}C = C{H_2}$ $\xrightarrow{{{H_2}S{O_4}}}\,{C_6}{H_5}C{(C{H_3})_3}$

                                 List $-II$
$(a)$   Friedel-Crafts reaction
$(b)$   Wurtz-Fitting reaction
$(c)$   Gattermann-Koch Aldehyde synthesis
$(d)$   Etard’s reaction

→
Two gases $A$ and $B$ are taken in same volume containers under similar conditions of temperature and pressure. In container $A,$ there are $'2N\ '$ molecules of gas $A$. How many number molecules does container $B$ have?
→
$CaCO_3 + 2HCl \to  CaCl_2 + CO_2 + H_2O$, in this chemical reaction what will be the amount of $CaCl_2$. When $10\,g$ calcium carbonate and $200\, mL\, 0.75\, M\, HCl$ is used? ............... $\mathrm{g}$
→
In an atom, an electron is moving with a speed of $600 \,m/s$ with an accuracy of $0.005\%.$ Certainity with which the position of the electron can be located is $( h =6.6 \times 10^{-34} \,kg\, m^2s^{-1},$ mass of electron, $e_m= 9.1 \times 10^{-31}\, kg)$ :
→
What is the equilibrium expression for the reaction ${P_{4(s)}} + 5{O_{2(g)}}$ $\rightleftharpoons$ ${P_4}{O_{10(s)}}$
→
Phosphoric acid is prepared comercially from phosphoate ore as following :............... $\mathrm{kg}$

$Ca_3(PO_4)_2 + SiO_2 + C + O_2 + H_2O \to CaSiO_3 + CO_2 + H_3PO_4$

If $1.0\ kg$ each of calcium phosphate and silica are used with excess of $C$ , $O_2$ and $H_2O$ , what is maximum quantity of phosphoric acid that can be produced. $(Ca = 40, P = 31, Si = 28)$

→