Raney nickel used as a catalyst in hydrogen is obtained byA. heating n – InterviewSolution

InterviewSolution

1.	Raney nickel used as a catalyst in hydrogen is obtained byA. heating nickel tetracarbonylB. griding solid nickelC. treating nickel-aluminum alloy with dilute `NaOH`D. treating nickel-aluminium alloy with dillute `HCl`
Answer» Correct Answer - C An alloy containing equal amounts of `Ni` and `Al` is digested with sodium hydroxide. The `Al` is dissolved away and the residual very finely divided `Ni` is washed and stored under water, ethanol or any other suitable liquid.

Discussion

No Comment Found

Related InterviewSolutions

Which of the following compounds are not formed in the catalytic cracking of octaneA. pentaneB. ButeneC. PropeneD. Nonane
Most of hydrocarbons from petroleum are obtained byA. Fractional distilationB. Fractional crystallizationC. VaporizationD. Isomerization
Petroleum is foundA. on the surface of the earthB. in the atmosphereC. in Arctic oceanD. deep under the surface of the earth
Iso-octane is added to petrolA. to precipitate inorganic materialB. to prevent freezing of petrolC. to increase the boiling pointD. as an antiknocking agent
Domestic cooking gas consists of mostlyA. Methane and ethaneB. Liquidfied butane and iso-butaneC. Ethylene and carbon monoxideD. Hydrogen and acetylene
In the complete combustion of hydrocarbon `(C_(n)H_(2n+2))` the number of oxygen molecules required per mole of hydrocarbon isA. `(n)/(2)O_2`B. `((n+1)/(2))O_2`C. `((3n+1)/(2))O_2`D. `((n+2)/(2))O_2`
Which is correct statement?A. Alkanes undergo ozonolysisB. Alkanes undergo addition reactionC. Alkene add on hydrogen to give alkanesD. alkanes add on sulphate to give sulphuric acid
Octane number is related toA. GasolineB. Kerosene oilC. Diesel oilD. Lubricating oil
Petroleum consists mainly ofA. Aliphatic hydrocarbonsB. Aliphatic alcoholsC. Aromatic derivativesD. none of these
LPG (Household cooking gas) is mainly a mixture ofA. Methane+EthaneB. Acetylene+`O_2`C. Butane+IsobutaneD. Acetylene+`H_2`