MCQ
A liquid hydrocarbon can be converted to gaseous hydrocarbon by
  • Cracking
  • B
    Hydrolysis
  • C
    Oxidation
  • D
    Distillation under reduced pressure

Answer

Correct option: A.
Cracking
a
(a) $\underset{\text{Liquid}}{\mathop{\underset{\text{Hexane}}{\overset{{}}{\mathop{{{C}_{6}}{{H}_{14}}}}}\,}}\,\xrightarrow{\Delta }\underset{\text{Butane}}{\mathop{{{C}_{4}}{{H}_{10}}}}\,+\underset{\text{Gas}}{\mathop{\underset{\text{Ethene}}{\mathop{{{C}_{2}}{{H}_{2}}}}\,}}\,$

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

Similar questions

For the reaction $C{H_3} - CH = C{H_2} + HOCl \to A$ the product $A$ is
Diazo-coupling is useful to prepare some
The standard enthalpies of formation of $Al _{2} O _{3}$ and $CaO$ are $-1675\, kJ\, mol ^{-1}$ and $-635\, kJ\, mol ^{-1}$ respectively.

For the reaction $3 CaO +2 Al \rightarrow 3 Ca + Al _{2} O _{3}$ the standard reaction enthalpy $\Delta_{ r } H ^{0=}$ .......... $kJ$.

(Round off to the Nearest Integer).

For the system $3A + 2B$ $\rightleftharpoons$ $C$, the expression for equilibrium constant is
The major product obtained in the following reaction is
The factor which is not affecting the conductivity of any solution is
Match the compounds/ions in Column $I$ with their properties/reactions in Column $II$. Indicate your answer by darkening the appropriate bubbles of the $4 \times 4$ matrix given in the $ORS$.
Column $I$ Column $II$
$(A)$ $\mathrm{C}_6 \mathrm{H}_5 \mathrm{CHO}$ $(p)$ gives precipitate with $2, 4$-dinitrophenylhydrazine
$(B)$ $\mathrm{CH}_3 \mathrm{C} \equiv \mathrm{CH}$ $(q)$ gives precipitate with $\mathrm{AgNO}_3$
$(C)$ $\mathrm{CN}^{-}$ $(r)$ is a nucleophile
$(D)$ $\mathrm{I}^{-}$ $(s)$ is involved in cyanohydrin formation
$a. NH_3 > PH_3 > AsH_3$ Thermal stability

$b. NH_3 < PH_3 < AsH_3$ Reducing power

$c. NI_3 > NBr_3 > NCl_3$ Lewis basic character

$d. N_2O_5 > P_2O_5 > As_2O_5$ Acidic character

Correct order is

The velocity constant of a reaction at $290\,K$  was found to be $3.2 \times {10^{ - 3}}$. At $ 300\, K $ it will be
In double strand helix structure of $DNA,$  thymine forms hydrogen bonds with