Sunday, 5 May 2019

Chemistry MCQs /E book Library part 3

21. Which of the following organic compound has different chemical properties?
(C) C5H11OH
22. Which of the following is inorganic?
(A) NaCN
(C) CH4
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
21. A
22. A
23. B
24. B
25. A
26. B
27. A
28. B
29. B
30. A

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