Optical activity is measured by
Options
(a) spectrograph (b) Polarimeter (c) tracer technique (d) refractometer
Correct Answer:
Polarimeter
Explanation:
Optically active substances is one that rotates the plane of polarised light.If the rotation […]
Which of the following shows geometrical isomerism
Options
(a) propene (b) 1-butene (c) 1,1-dichlorobutane (d) 2-butene
Correct Answer:
2-butene
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Which gas is formed when CaC₂ reacts with H₂O
Options
(a) Acetylene (b) Methane (c) Ethylene (d) Ethane
Correct Answer:
Acetylene
Explanation:
No explanation available. Be the first to write the explanation for […]
Aromatic hydrocarbon shows mostly
Options
(a) substitution electrophilic reactions (b) addition electrophilic reactions (c) substitution nucleophilic reactions (d) addition nucleophilic reactions
Correct Answer:
substitution electrophilic reaction
Explanation:
No explanation available. Be the first […]
Petroleum is a mixture of
Options
(a) alkynes (b) alkanes (c) alkyl halides (d) alkenes
Correct Answer:
alkanes
Explanation:
Petroleum is a mixture of alkanes. Various products obtained from fractional distillation of petroleum are […]
In the commercial gasolines, the type of hydrocarbons which are more desirable is
Options
(a) linear unsaturated hydrocarbon (b) branched hydrocarbon (c) toluene (d) straight-chain hydrocarbon
Correct Answer:
branched hydrocarbon
Explanation:
knocking property […]
The first fractional product of petroleum from top to bottom is
Options
(a) diesel (b) petrol (c) petroleum ether (d) kerosene
Correct Answer:
petroleum ether
Explanation:
Order of fractional distillation of petroleum is […]
Tetraethyl lead is used as
Options
(a) anti-knock agent (b) pain killer (c) mosquito repellent (d) fire extinguisher
Correct Answer:
anti-knock agent
Explanation:
No explanation available. Be the first to write the explanation […]
When ethyl chloride and alcoholic KOH are heated, the compound obtained is
Options
(a) C₂H₅OC₂H₅ (b) C₂H₄ (c) C₂H₆ (d) C₂H₅OH
Correct Answer:
C₂H₄
Explanation:
When ethyl chloride is heated with alcoholic potassium […]
In which of the following hydrocarbons, hydrogen is most acidic
Options
(a) CH₂=CH₂ (b) CH≡CH (c) CH₃ -CH₃ (d) none of these
Correct Answer:
CH≡CH
Explanation:
No explanation available. Be the first to […]
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