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JAMB Chemistry 2013 Past Questions: Practice Test with Answers

Creado por: juanbacan
Free JAMB Chemistry 2013 past-questions practice test with answers and clear explanations. Topics include stoichiometry, gas laws, organic reactions, electrochemistry and equilibrium.Sin descripción disponible.
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Question 46

An organic compound with a pleasant smell is likely to have a general formula

A)

CnH2n+1CHO

B)

CnH2n+1COOH

C)

CnH2n+1COOCnH2n+1

D)

CnH2n+1COCnH2n+1

How to solve?

Question 47

A primary amide is generally represented by the formula

A)

RCOOR

B)

RCONH2

C)

RCONHR

D)

RCONR2

How to solve?

Question 48

Image

The IUPAC nomenclature for the compound above is

A)

4-methylpent-1-ene

B)

3-methylpent-2-ene

C)

2-methylpent-1-ene

D)

2-methylpent-4-ene

How to solve?

Question 49

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

A)

C5H12O

B)

C3H8O

C)

C6H13O2

D)

C4H9O

How to solve?

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