Single Choice

The gas used in the hydrogenation of oils in presence of nickel as a catalyst is:

AMethane
BEthane
COzone
DHydrogen
Correct Answer

Solution

Oils are hydrogenated in the presence of nickel catalyst by using hydrogen gas. The product is fats.
Oils contain unsaturated long-chain carboxylic acids and fats contains a saturated long chain of carboxylic acids.

SIMILAR QUESTIONS

Hydrocarbons

Ethylene is converted to ethane in the presence of $$Ni$$ at $$300^{0}C$$ . In this reaction the hybridization of carbon changes from :

Hydrocarbons

A hydrocarbon $$'X'$$ adds on one mole of hydrogen to give another hydrocarbon and decolourised bromine water. $$'X'$$ reacts with $${ KMnO }_{ 4 }$$ in the presence of acid to give two moles of the same carboxylic acid. The structure of $$'X'$$ is:

Hydrocarbons

Hydrogenation of $$C_{6}H_{5}CHOHCOOH$$ over $$Rh -Al_{2}O_{3}$$ gives :

Hydrocarbons

Compound(s) that on hydrogenation produce(s) optically inactive compound(s) is(are):

Hydrocarbons

Which one of the following alkenes will react faster with $$H_2$$ under catalytic hydrogenation conditions?

Hydrocarbons

Write structures of all the alkenes which on hydrogenation give 2 - methylbutane.

Hydrocarbons

Give the formula and name of $$A, B, C$$ and $$D$$ in the following equations: $$C_2H_2 \xrightarrow {H_2}\ A \xrightarrow{H_2}\ B\ \underset{-HBr}{\xrightarrow {Br_2}}\ C\ \underset{-HBr}{\xrightarrow {Br_2}}\ D$$

Hydrocarbons

Addition reaction and substitution reaction are type of organic reactions. Which type of reaction is shown by ethene?

Hydrocarbons

Which one of the following alkenes will react faster with $$H_2$$ under catalytic hydrogenation conditions?

Hydrocarbons

In which case the reaction is most exothermic with $$H_2$$ Ni.

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