Organic Chemistry

Which sample has hydrogen bonding?

• H₂S

• CH₄

• NH₃

• HI

The weaker the intermolecular forces of a substance the _____________ the boiling point

• higher

• lower

Tags

NGSS.HS-PS1-3

Rank these in order of strength:
covalent bond
London forces
hydrogen bond
dipole-dipole attraction

• dipole-dipole>covalent bond>hydrogen bond>London
• London>dipole-diple>hydrogen bond>covalent bond
• covalent bond>hydrogen bond>dipole-dipole>London
• hydrogen bond>dipole-dipole>London>covalent bond

Tags

NGSS.HS-PS1-3

Which of the following is a permanent electron displacement effect?

• Hyperconjugation

• Electromeric

• Inductive

• Resonance

+I effect is shown by-

• - C₆H₅

• -CH₃

• -Cl

• -COOH

Which of the following is known as Baker-Nathan effect?

• Mesomeric effect

• Inductive effect

• Hyperconjugation

• Electromeric effect

Hyperconjugation involves the delocalisation of (a)  

On increasing the number of α-hydrogens, the number of hyperconjugation structures will

• Decrease

• Increase

• Remains same

• None of the mentioned

For carbonate ions, how many resonance structures can be drawn ?

• 2

• 3

• 4

• 5