25
Minutes
53
Questions
1 / -0
Marking
Q1. The isomeric pair is
Ethane and propane
Propane and butane
Ethane and ethane
Butane and 2-methylpropane
Q2. Which of the given is used to oxidize ethanol to ethanoic acid?
Alkaline KMnO₄
Conc. H₂SO₄
Acidified K₂Cr₂O₇
All of these
Q3. Which is a denatured spirit?
Ethanol only
Ethanol and methanol (50%)
Ethanol and methanol (5%)
Methanol only
Q4. The isomeric pair is
ethane and propane
propane and butane
ethane and ethane
butane and 2-methyl propane
Q5. The by-product of soap is
Isoprene
Glycerol
Butene
Ethylene glycol
Q6. Covalent compounds
Have high melting and boiling point
Are mostly soluble in water
Are formed between atoms of metals and non-metals
Are formed by the sharing of electrons in the bonding atoms
Q7. Vinegar is a solution of
30% – 40% acetic acid in alcohol
5% – 8% acetic acid in alcohol
5% – 8% acetic acid in water
15% -20% acetic acid in water
Q8. Which of the given can be used for the denaturation of ethyl alcohol?
Methyl alcohol
Pyridines
Copper sulphate
All of these
Q9. Soaps are formed by saponification of
Alcohols
Glycosides
Simple esters
Carboxylic acids
Q10. Carbon exists in the atmosphere in the form of
Only carbon monoxide
Carbon monoxide in traces and carbon dioxide
Only carbon dioxide
Coal
Q11. Which of the following statements are usually correct for carbon compounds? These
a. Are good conductors of electricity.
b. Are poor conductors of electricity.
c. Have strong forces of attraction between their molecules.
d. Do not have strong forces of attraction between their molecules.
(A) & (C)
(B) & (C)
(A) & (D)
(B) & (D)
Q12. A molecule of ammonia (NH₃) has
Only single bonds
Only double bonds
Only triple bonds
Two double bonds and one single bond
Q13. Two neighbours of homologous series differ by
_CH
_CH₂
_CH₃
_CH₄
Q14. Which one of the given is an unsaturated hydrocarbon?
Acetylene
Butane
Propane
Decane
Q15. Which of the given is an odd compound?
Ethene
Ethane
Propene
Acetylene
...and 38 more challenging questions available in the interactive simulator.