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WorksheetsMastering Chemistry: A Molecular Approach Chapter 10
Total questions: 10
Worksheet time: 4mins
Which interaction has the greatest effect on the physical properties of carboxylic acids?
A. Covalent bond
B. Hydrogen bond
C. VanderWaals force
D. Dipole-dipole force
The general formula for an ester is:-
A. ROR
B. RCOR
C. RCOOH
D. RCOOR
Which two classes of compounds is best suited to prepare an amide in a laboratory?
A. Aldehyde and amine
B. Carboxylic acid and amine
C. Acid chloride and amine
D. Alkene and amine
A carboxylic acid can be directly synthesized by a reaction between a Grignard reagent and
A. Pyridine
B. A ketone
C. Formaldehyde
D. Carbon dioxide
X: CH2CICHCICOOH
Y: CH3CCI2COOH
Z: CH3CF2COOH
Select the correct order of acidity for the carboxylic acids above.
A. X > Y > Z
B. Z > Y > X
C. Y > Z > X
D. Y > X > Z
What is R?
CH3CH2COH + R --> CH3CH2COOH
A. NaBH4
B. LiAlH4
C. Na2Cr2O7 / H+
D. Grignard reagent
Which of the following organic compound react most vigorously with ammonia?
A. CH3COOH
B. CH3COCI
C. CH3COCH3
D. (CH3CO)2O
CH3CH=CHCH2CH2OH --> CH3CH=CHCH2COOH
The most suitable reagent for this reaction is
A. NaBH4
B. LiAlH4
C. H2,Pt
D. PCC
Which sequence of reaction will convert 1-bromopropane to n-butanoic acid.
A. 1. NaCN 2.H+/H2O
B. 1. Mg/ether 2.CH2O
C. 1. CH3MgBr 2.H+/H2O
D. 1.NaOH 2.KMnO4, heat
The boiling point for ethanoic acid is higher than propanol even when both these molecules have the same molecular mass. This is because
A. Ethanoic acids can form dimmers through hydrogen bonding.
B. The hydrophobic group is propanol is longer than that of ethanoic acid.
C. Propanol molecules cannot form hydrogen-bonds.
D. The van der Waals forces between ethanoic acids are stronger.
