21. Which of the following organic compound has different chemical properties?
(A) C2H5COOH
(B) CH3OH
(C) C5H11OH
(D)C2H5OH

22. Which of the following is inorganic?
(A) NaCN
(B) CH3CL
(C) CH4
(D) CH3OH

23. Dehydration of ethyl alcohol with conc. H2SO4 results in the formation of?
(A) Methane
(B) Ethene
(C) Ethane
(D) Acetylene

24. Which one of the following reagents distinguished ethene from acetylene?
(A) Bromine solution
(B) AgNO3
(C) Alcoholic KOH
(D) Carbon tetrachloride solution

25. Which one of the following decolorizes Br2 Water?
(A) Ethene
(B) Methane
(C) Propane
(D) Ethane

26. Ethene reacts with HBr, the compound formed is?
(A) Br-CH2-CH2-Br
(B) CH3-CH2-Br
(C) Acetylene
(D) CH3-CH2-CH3

27. Which of the following statement is not true for alkynes?
(A) They do not perform Baeyer’s Test
(B) They undergo addition reaction
(C) They burn to form CO2
(D) They contain a triple bond

28. All the member of alkane series has?
(A) All types of bonds
(B) All single bonds
(C) At least one double bond
(D) At least one triple bond

29. Baeyer’s reagent is?
(A) Hot KMnO4
(B) Alkaline KMnO4
(C) Conc. KMnO4
(D) Acidic KMnO4

30. Which one gives carboxylic acid with alkaline KMnO4?
(A) Acetylene
(B) Ethane
(C) Ethene
(D) Methane

ANSWERS: CHEMISTRY QUIZZES
21. A
22. A
23. B
24. B
25. A
26. B
27. A
28. B
29. B
30. A