Jamb Chemistry 2011 Past Questions and Answers

Question 41:

• JAMB 2011

At 25^o and zymase as catalyst,
C₆H₁₂₆ → 2C₂H₅OH + 2CO₂ + energy
The reaction above represented by the equation above is useful in the production of

A. Propanol
B. Butanol
C. Methanol
D. Ethanol

Question 42:

• JAMB 2011

The number of isomers that can be obtained from C₄H₁₀ is

A. 3
B. 4
C. 1
D. 2

Question 43:

• JAMB 2011

The functional groups present in the compound above are

A. Alkene and halo-group
B. Hydroxyl and chloro-group
C. Alkene and chloro-group
D. Hydroxyl and halo-group

Question 44:

• JAMB 2011

Two organic compounds K and L were treated with a few drops of Fehling's solutions respectively . K formed a brick-red precipitate while L, remains unaffected. The compound K is an

A. Alkanol
B. Alkane
C. Alkanal
D. Alkanone

Question 45:

• JAMB 2011

Which of the following statements is true about 2-methylpropane and butane

A. They are members of the same homologous series
B. They have the same boiling point
C. They have different number of carbon atoms
D. They have the same chemical properties