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What is the approximate value of the H-C-H bonds angle in ethene?


A) 90 ∘\circ
B) 109 ∘\circ
C) 120 ∘\circ
D) 180 ∘\circ

E) A) and B)
F) All of the above

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What is the approximate value of the length of the carbon-carbon bond in ethene?


A) 121 pm
B) 134 pm
C) 142 pm
D) 154 pm

E) All of the above
F) B) and C)

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Which of the following substituents has the highest priority according to the Cahn-Ingold-Prelog system used in assigning E and Z configurations of carbon-carbon double bonds?


A) "-COOH"
B) "-Cl"
C) "-CH2OH"
D) "-CH3"

E) None of the above
F) A) and D)

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Provide the bond-line structure of (Z)-4,5-dichloro-2-pentene.

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What is the IUPAC name of the following compound? What is the IUPAC name of the following compound? A) bicyclo[5.4.3]-2-octene B) bicyclo[5.4.3]-3-octene C) bicyclo[3.2.1]-2-octene D) 2,6-methyleno-1-cyclooctene


A) bicyclo[5.4.3]-2-octene
B) bicyclo[5.4.3]-3-octene
C) bicyclo[3.2.1]-2-octene
D) 2,6-methyleno-1-cyclooctene

E) B) and C)
F) A) and D)

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What is the IUPAC name of the following compound? What is the IUPAC name of the following compound? A) 2-methylenepentane B) 2-methyl-1-pentene C) 2-vinylpentane D) 2-propyl-1-propene


A) 2-methylenepentane
B) 2-methyl-1-pentene
C) 2-vinylpentane
D) 2-propyl-1-propene

E) A) and B)
F) A) and C)

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The following compound contains an allyl group. The following compound contains an allyl group.

A) True
B) False

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Which of the following compounds has a hydrogen deficiency of 3? Which of the following compounds has a hydrogen deficiency of 3? A) only 1 B) only 2 C) only 3 and 4 D) only 1,3 and 4


A) only 1
B) only 2
C) only 3 and 4
D) only 1,3 and 4

E) None of the above
F) A) and B)

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What is the IUPAC name of the following compound? What is the IUPAC name of the following compound?

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1,6-dimeth...

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How many isomers of 1,3,5-heptatriene exist?


A) 1
B) 2
C) 4
D) 8

E) A) and B)
F) A) and C)

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What is the value of the index of hydrogen deficiency of a molecule with the formula C8H19N?

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What is the name of the following compound? What is the name of the following compound? A) cis-4-methyl-1-allylcyclohexane B) cis-4-allyl-1-methylcyclohexane C) trans-4-allyl-1-methylcyclohexane D) cis-4-methyl-1-vinylcyclohexane


A) cis-4-methyl-1-allylcyclohexane
B) cis-4-allyl-1-methylcyclohexane
C) trans-4-allyl-1-methylcyclohexane
D) cis-4-methyl-1-vinylcyclohexane

E) A) and C)
F) B) and C)

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What type of molecular orbital is formed by the overlap of atomic orbitals shown? What type of molecular orbital is formed by the overlap of atomic orbitals shown? A) \sigma bonding B) \sigma antibonding C) \pi bonding D) \pi antibonding


A) " σ\sigma bonding"
B) " σ\sigma antibonding"
C) " π\pi bonding"
D) " π\pi antibonding"

E) C) and D)
F) None of the above

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What is the index of hydrogen deficiency of a compound with a molecular formula of C5H10?


A) 0
B) 1
C) 2
D) 3

E) A) and B)
F) B) and C)

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What is the value of the index of hydrogen deficiency of Ritalin, shown below? What is the value of the index of hydrogen deficiency of Ritalin, shown below?

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What is the hybridization of carbon atoms labeled i - iii in the following structure? What is the hybridization of carbon atoms labeled i - iii in the following structure? A) i = sp; ii = sp; iii = sp B) i = sp<sup>2</sup>; ii = p; iii = sp<sup>2</sup> C) i = sp<sup>2</sup>; ii = sp; iii = sp<sup>2</sup> D) i = sp<sup>2</sup>; ii = sp<sup>2</sup>; iii = sp<sup>2</sup>


A) i = sp; ii = sp; iii = sp
B) i = sp2; ii = p; iii = sp2
C) i = sp2; ii = sp; iii = sp2
D) i = sp2; ii = sp2; iii = sp2

E) All of the above
F) A) and B)

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The following could be named as either trans-2-methylhex-3-ene or (Z)-2-methylhex-3-ene . The following could be named as either trans-2-methylhex-3-ene or (Z)-2-methylhex-3-ene .

A) True
B) False

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What is the IUPAC name of the following compound? What is the IUPAC name of the following compound?

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1,4-dimeth...

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What is the IUPAC name of the following compound? What is the IUPAC name of the following compound?

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(Z)-3-chlo...

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How many isomers of 1,3-heptadiene exist?


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

E) A) and D)
F) A) and B)

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Showing 61 - 80 of 86

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