Hydrolysis of an ester in an alkaline medium is
Options
(a) first order reaction with molecularity two (b) first order reaction with molecularity one (c) second order reaction with molecularity one (d) second […]
Which one of the following can differentitate between C₂H₅OH and CH₃OH
Options
(a) H₂O (b) HCl (c) I₂ + KOH (d) NH₃
Correct Answer:
I₂ + KOH
Explanation:
No explanation available. Be the […]
Ethyl alcohol exhibits acidic character on reacting with
Options
(a) hydrogen iodide (b) acetic acid (c) sodium metal (d) all of these
Correct Answer:
sodium metal
Explanation:
2CH₃CH₂OH + Na →2CH₃CH₂O⁻Na⁺ +H₂
Formation of […]
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 […]
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 […]
Which of the following has highest pH value with water
Options
(a) NaHCO₃ (b) NaCl (c) KCl (d) Na₂CO₃
Correct Answer:
Na₂CO₃
Explanation:
No explanation available. Be the first to write the explanation […]
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 […]
If the hydrogen ion concentration of an acid decreases 10 times, its pH value
Options
(a) remains unchanged (b) increases by one (c) increases by 10 (d) decreases by one
Correct Answer:
increases […]
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 the titration of strong acid and weak base, the indicator used is
Options
(a) thymolphthalein (b) methyl orange (c) thymolblue (d) phenolphthalein
Correct Answer:
methyl orange
Explanation:
No explanation available. Be the […]
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