Organic Compounds - Jamb Chemistry Past Questions and Answers

Question 306:

• JAMB 2013

A primary amide is generally represented by the formula

A. RCOOR
B. RCONH ₂
C. RCONHR
D. RCONR ₂

Question 307:

• JAMB 2013

An organic compound contains 60% carbon, 13.3% hydrogen and 26.7% oxygen. Calculate the empirical formularn(C=12,H =1, O=16)

A. C ₅H ₁₂O
B. C ₃H ₈O
C. C ₆H ₁₃O ₂
D. C ₄H ₉O

Question 308:

• JAMB 2013

The IUPAC nomenclature for the compound above is

A. 4-methylpent-1-ene
B. 3-methylpent-2-ene
C. 2-methylpent-1ene
D. 2-methylpent-4-ene

Question 309:

• JAMB 2013

Use the above option to answer this question. The dehydration of ammonium salt of alkanoic acids produces a compound with the general formula

A. A
B. B
C. C
D. D

Question 310:

• JAMB 2013

The compound above is an

A. Alkanone
B. Alkanoate
C. Alkanal
D. Akanol