Can someone help me with these chemistry questions?

1.


Compounds that have the same molecular formula but different arrangements of atoms are called A) isozymes.
B) indicators.
C) isotopes.
D) isomers.
E) isometrics.


2.

Which of the following is true of nonane, C9H20, which has a density of 0.79 g/mL, melts at -51°C, and boils at 157°C? A) Nonane is a gas at room temperature.
B) Nonane floats on the surface of water.
C) Nonane is soluble in water.
D) Nonane is a solid at room temperature.
E) Nonane does not undergo combustion.


3.

A formula that shows the arrangement of all bonds in a molecule is called a(n) A) molecular formula.
B) expanded structural formula.
C) condensed structural formula.
D) isomeric formula.
E) condensed molecular formula.


4.

In the three-dimensional structure of methane, CH4, the hydrogen atoms attached to a carbon atom are aligned A) at the corners of a tetrahedron.
B) at the corners of a cube.
C) in a straight line.
D) at the corners of a rectangle.
E) at the corners of a square.


5.

A hydrocarbon contains only the elements A) carbon and hydrogen.
B) hydrogen and oxygen.
C) carbon, hydrogen, and nitrogen.
D) carbon and oxygen.
E) carbon, hydrogen, and oxygen.


6.

The functional group contained in the compound CH3-CH2-OH is a(n) A) aldehyde.
B) ether.
C) alcohol.
D) alkene.
E) ketone.


7.

What type of compound is CH3CH2CH2Cl? A) branched alkane
B) cycloalkane
C) alkane
D) isomer
E) haloalkane


8.

What is the name of this compound?

Cl
CH3 -Can someone help me with these chemistry questions?H - CH2 - CH 2 - Cl A) dichlorobutane
B) 1,2,-dichlorobutane
C) 1,3-dichlorobutane
D) 1,1-dichlorobutane
E) 1,4-dichlorobutane


9.

The special feature that determines the family name and chemical reactivity of the organic compound it is found in is called a(n) A) ionic bond.
B) functional group.
C) identifying group.
D) organic compound.
E) covalent bond.


10.

Which of the following is NOT typical of most organic compounds? A) high flammability
B) high melting point
C) low boiling point
D) poor solubility in water
E) covalent bonding


11.

A functional group is a certain group of atoms that A) reacts in a predictable way whenever present.
B) changes the color of the molecule whenever present.
C) always contains oxygen or nitrogen.
D) never contains a halogen.
E) increases water solubility.


12.

An alkene is a carbon compound that contains a _____ bond. A) single
B) hydrogen
C) double
D) aromatic
E) triple


13.

An alkyne is a carbon compound that contains a _____ bond. A) triple
B) aromatic
C) hydrogen
D) double
E) single


14.

The functional group contained in the compound Can someone help me with these chemistry questions? is a(n) A) alkene.
B) ether.
C) ketone.
D) aldehyde.
E) alcohol.


15.

The functional group contained in the compound CH3-CH2-O-CCan someone help me with these chemistry questions? -CH3 is a(n) A) ketone.
B) alcohol.
C) alkene.
D) aldehyde.
E) ether.


16.

The functional group contained in the compound Can someone help me with these chemistry questions? is a(n) A) ester.
B) thiol.
C) carboxylic acid.
D) amine.
E) amide.


17.

The functional group contained in the compound CH3 -CH2-CH=CH-CH3 is a(n) A) alcohol.
B) aldehyde.
C) alkene.
D) ether.
E) ketone.


18.

The functional group contained in the compound Can someone help me with these chemistry questions? is a(n) A) carboxylic acid.
B) thiol.
C) ester.
D) amine.
E) amide.


19.

The functional group contained in the compound Can someone help me with these chemistry questions? is a(n) A) carboxylic acid.
B) ester.
C) thiol.
D) amide.
E) amine.


20.

The functional group contained in the compound CH3-CH2-NH2 is a(n) A) amine.
B) ester.
C) carboxylic acid.
D) thiol.
E) amide.

 

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