IB Semester 1 Final

What is the name of this substance using IUPAC rules?

• 2-ethyl-1-methylbutan-1-ol

• 1-methyl-2-ethylbutan-1-ol

• 3-ethylpentan-2-ol

• 3-ethylpentan-4-ol

The general formula of alkynes is ____.

• CnH2n

• CnH2n+2

• CnH2n-2

• CnH2n-1

Which of the following is the general formula for alkenes?

• CnH2n+2

• CnH2n

• CnH2n−2

• CnHn

Which element has the highest metallic character in Group 14?

• C. C

• B. Si

• C. Ge

• D. Sn

Tags

NGSS.HS-PS1-1

What is the number of hydrogen atoms in 2.00 mol of NH₃? Avogadro’s constant (L or N_A) = 6.02 × 10²³mol⁻¹ 

• 1.20 × 10²⁴ 

•   1.81 × 10²⁴

• 2.41 × 10²⁴ 

• 3.61 × 10²⁴ 

Which substance is most likely to be ionic?

• High melting point, Low solubility in hexane, High electrical conductivity of solid

• Low melting point, Low solubility in hexane, Low electrical conductivity of solid

• Low melting point, High solubility in hexane, Low electrical conductivity of solid

• High melting point, Low solubility in hexane, Low electrical conductivity of solid

Tags

NGSS.HS-PS1-3

What is the name of this compound, applying IUPAC rules?

• 4-methylhex-2-ene

• 3-methylhex-1-ene

• 2-methylhex-3-ene

• 5-methylhex-2-ene

Which of the following is the correct IUPAC name for the compound with the structure shown?

• 3-methylhex-2-ene

• 4-ethylpent-2-ene

• 2-ethylpent-3-ene

• 3-methylhex-4-ene

Which species has the same electron configuration as argon?

• Br⁻

• Ca²⁺

• Al³⁺

• Si⁴⁺

Tags

NGSS.HS-PS1-1

Which trend is correct, going down group 1?

• Melting point increases

• Reactivity decreases

• First ionisation energy increases

• Electronegativity decreases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2