PUC Science 2nd PUC Class 12 - Karnataka Board PUC Question Bank Solutions for Chemistry

Write the IUPAC name of the given compound:

When a co-ordination compound CrCl₃.6H₂O is mixed with AgNO₃, 2 moles of AgCl are precipitated per mole of the compound. Write

(i) Structural formula of the complex.

(ii) IUPAC name of the complex.

Write the product in the following reaction:

Write the IUPAC name of the given compound :

Write down the IUPAC name of the following complex: [Cr(NH₃)₂Cl₂(en)]Cl (en = ethylenediamine)

An element with molar mass 27 g mol⁻¹ forms a cubic unit cell with edge length 4.05 ✕ 10⁻⁸ cm. If its density is 2.7 g cm⁻³, what is the nature of the cubic unit cell?

How do you convert the following:

Aniline to phenol

Which allotrope of phosphorus is more reactive and why?

Write down the IUPAC name of the complex [Pt(en)₂Cl₂]²⁺. What type of isomerism is shown by this complex?

Arrange the following in increasing order of their basic strength :

C₆H₅ – NH₂, C₆H₅ – CH₂ – NH₂, C₆H₅ – NH – CH₃

Arrange the following in increasing order of their basic strength :

Account for the following :

Zr and Hf have almost similar atomic radii.

Write the IUPAC name of the complex [Cr(NH₃)₄ Cl₂]Cl.

Name a member of the lanthanoid series which is well known to exhibit +4 oxidation state.

Write the chemical equations to illustrate the following name reactions : Rosenmund reduction

How will you bring about the following conversion?

Benzoyl chloride to benzaldehyde.

Distinguish between Hexagonal and monoclinic unit cells

Distinguish between Face-centred and end-centred unit cells.

Explain how much portion of an atom located at (i) corner and (ii) body-centre of a cubic unit cell is part of its neighbouring unit cell.

An element with molar mass 2.7 × 10^-2 kg mol^-1 forms a cubic unit cell with edge length 405 pm. If its density is 2.7 × 103 kg m⁻³, what is the nature of the cubic unit cell?