Alkynes

Question 1

Terminal alkynes are

Answer 1

Acidic

Question 2

Internal alkynes boil at

Answer 2

Higher temperatures

Question 3

Alkynes can be formed by the

Answer 3

Elimination of 2 halides with ∆ + base

Question 4

Terminal alkynes can be converted into nucleophiles via

Answer 4

Strong bases

Question 5

Alkynes can be reduced via

Answer 5

• H2 / Metal
• Lindlar’s Catalyst
• NaNH3

Question 6

H2 / Metal reduces alkynes into

Answer 6

Alkanes

Question 7

Lindlar’s Catalyst reduces alkynes into

Answer 7

Alkenes with syn addition

Question 8

NaNH3 reduces alkynes into

Answer 8

Alkenes with trans addition

Question 9

Alkynes can undergo additions with

Answer 9

• Electrophilic addition with HBr, Br2, 2Br2

- Free Radical addition (which is Anti-Mark)

Question 10

Alkynes can reduce via

Answer 10

• KMnO4

- O3, CCl4