Chemistry Question Bank

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)

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.

Which among the following statements are true with respect to electronic displacement in a covalent bond ? (1) Inductive effect operates through pi bond (2) Resonance effect operates through sigma bond (3) Inductive e…

In which of the following molecule the resonance effect is not present? (a) (b) (c) (d)

Mesomeric effect involves delocalisation of

At what temperature will the RMS velocity of SO2 be the same as that of O2 at 303K? (KCET 2013)

If Z is a compressibility factor, Van der Waals equation at low pressure can be written as: (WB JEE 2014) (a) a Z =1- VRT (b) Pb Z =1- RT (c) Pb Z =1+ RT (d) RT Z =1+ Pb

Equal mass of H2, O2 and methane have been taken in a container of volume V at temperature 27oC in identical conditions. The ratio of the volumes of gases H2 : O2 : CH4 would be (CBSE AIPMT 2014)