Download App

9. Hydricarbon — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry9. Hydricarbon1 Mark
MCQ
The most important method of preparation of hydrocarbons of lower carbon number is
  • ✓
    Pyrolysis of higher carbon number hydrocarbons
  • B
    Electrolysis of salts of fatty acids
  • C
    Sabatier and Senderen's reaction
  • D
    Direct synthesis
✓

Answer

Correct option: A.
Pyrolysis of higher carbon number hydrocarbons
a
(a) $\mathop {{C_6}{H_{14}}}\limits_{{\text{Hexane}}} \xrightarrow[\Delta ]{{Pyrolysis}}\mathop {{C_2}{H_4}}\limits_{{\text{Ethene}}}  + \mathop {{C_4}{H_{10}}}\limits_{{\text{Butane}}} $

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 9. Hydricarbon→9. Hydricarbon — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Which of the following is not a noble gas?
→
Choose the correct code of characteristics for the given order of hybrid orbitals of same atom,
                                 $sp < sp^2 < sp^3$
$(i)$ Electronegativity      $(ii)$ Bond angle between same hybrid orbitals

$(iii)$ Size                        $(iv)$ Energy level

→
Maximum number of atoms which are present in one plane of $H_3BO_3$?
→
Which of following molecule have sp³d hybridisation?
→
After understanding the assertion and reason, choose the correct option.
Assertion : In the bonding molecular orbital $(MO)$ of $H_2,$ electron density is increased between the nuclei.
Reason : The bonding $MO$ is ${\psi _A}\, + \,\,{\psi _{B,}}$ which shows destructive interference of the combining electron waves.
→
Mixture of sand and sulphur may best be separated by
→
A solution whose $ pH$  value is less than $7$ will be
→
At $NTP, 5.6\, litre$ of a gas weight $8\, gram$. The vapour density of gas is :-
→
The $IUPAC$ name of the following structure is

$[CH_3CH(CH_3)]_2 \,C(CH_2CH_3)C(CH_3) C(CH_2CH_3)_2$

→
If $n = 3$, then the value of $'l'$ which is incorrect
→