Alkene Nomenclature and Classification

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What is the general formula for acyclic alkenes with only one double bond and no other functional groups?

CnH2n+2

CnH2n-2

CnH2n (correct)

CnH2n-4

What is the IUPAC recommended name for the simplest alkene, C2H4?

Methylene

Ethylene

Methene

Ethene (correct)

What are terminal alkenes also known as?

α-olefins (correct)

β-olefins

δ-olefins

γ-olefins

What is the general class name recommended by IUPAC for cyclic or acyclic hydrocarbons with one or more double bonds?

Olefin Signup and view all the answers

When n is four or more in acyclic alkenes, what becomes possible due to isomerism?

Position and conformation of the double bond become distinguishable Signup and view all the answers

Which element from the pnictogen group is the most abundant gas in Earth's atmosphere?

Nitrogen (N) Signup and view all the answers

What property do arsenic and antimony share?

They are both metalloids. Signup and view all the answers

Which element from the pnictogen group is used as a substitute for lead in cosmetics and pharmaceuticals?

Bismuth (Bi) Signup and view all the answers

Which of the following elements from the pnictogen group is primarily used in alloys with lead to increase its hardness, strength, and resistance to corrosion?

Antimony (Sb) Signup and view all the answers

As we move from nitrogen to bismuth in the pnictogen group, what trend is observed with valency?

Pentavalency (having five valence electrons) becomes less pronounced, and trivalency (having three valence electrons) becomes more pronounced. Signup and view all the answers

Which element from the pnictogen group is found in DNA and ATP molecules, storing and transferring energy within cells?

Phosphorus (P) Signup and view all the answers

Which element from the pnictogen group does not exist as a free element and is synthesized in nuclear reactors?

Polonium (Po) Signup and view all the answers

Which statement about the pnictogen group is true?

They form the bridge between the s-block elements and the chalcogens. Signup and view all the answers

Which element from the pnictogen group is used in semiconductor manufacturing due to its ability to bond with other elements?

Arsenic (As) Signup and view all the answers

Which of the following is used as a heat source in some thermoelectric generators?

Polonium (Po) Signup and view all the answers

Alkene Nomenclature and Classification

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