19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
The IUPAC name of is (AIPMT 2006)
These two conformers exist in a state of dynamic equilibrium. Which one is more stable?
Among these, positional isomers are
I. CH CH CH CH CH II. CH CH CH CH | CH III. CH | CH C CH | CH Among these, chain isomers are
Among these functional isomers are
Among these III is the chain isomer of
Among these, I is the chain isomer of
Compare acidic strength:
GENERAL ORGANIC CHEMISTRY Canonical structures due to hyperconjugation in this molecule can be written as (a) (b)
How many hyperconjugable H-atoms does this molecule has?
Hyperconjugation occurs in (a) CH CH (b) CH CH CH (c) CH CH CH
Hyperconjugation occurs in (a) (b) (c)
Which of the following represents the case of hyperconjugation? (a) (b) (c)
The kind of delocalisation involving sigma bond orbitals is called
Which of the following is antiaromatic?
Which of the following carbanion is aromatic? (a) (b) (c) (d)
Dihedral angle of least stable conformer of ethane is (NEET 2021)
Which of the following is aromatic? GENERAL ORGANIC CHEMISTRY
Which of the following is aromatic?
Which of the following is Anti-aromatic? (a) (b) (c)
Which of the following is aromatic? (a) (b) (c) (d)
Which of the following is non-Aromatic? (a) (b) (c)
Which of the following is Aromatic? (a) (b) GENERAL ORGANIC CHEMISTRY (c)
Which of the following is aromatic compound? (a) (b) (c) (d)
Assertion: Cyclopentadienyl anion is much more stable than allyl anion. Reason: Cyclopentadienyl anion is aromatic in character.