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

Write the structure of the compound whose IUPAC name is as follows:

1-Phenylpropan-2-ol

Write the structure of the compound whose IUPAC name is as follows:

3,5-Dimethylhexane-1, 3, 5-triol

Write the structure of the compound whose IUPAC name is as follows:

2,3-Diethylphenol

Write the structure of the compound whose IUPAC name is as follows:

1-Ethoxypropane

Write the structure of the compound whose IUPAC name is as follows:

2-Ethoxy-3-methylpentane

Write the structure of the compound whose IUPAC name is as follows:

Cyclohexylmethanol

Write the structure of the compound whose IUPAC name is as follows:

3-Cyclohexylpentan-3-ol

Write the structure of the compound whose IUPAC name is as follows:

Cyclopent-3-en-1-ol

Which one of the following has the highest dipole moment?

What is the covalence of nitrogen in N₂O₅?

Bond angle in `PH_(4)^(+)` is higher than that in PH₃. Why?

Why does the reactivity of nitrogen differ from phosphorus?

How is nitrogen prepared in the laboratory? Write the chemical equations of the reactions involved.

Give the resonating structure of N₂O₅.

How would you account for the following? 

Zr (Z = 40) and Hf (Z = 72) have almost identical radii.

How would you account for the following? 

Transition metals and their compounds act as catalysts.

In the complexes `[Fe(CN)_6]^(3-)` and `[pt(en) (H_2O)_2(NO_2 (Cl)^(2+)]``the respective oxidation numbers of central metal atoms are

1) +3 and +4

2) +6 and + 4

3) +6 and +3

4) +3 and + 3

Describe the oxidising action of potassium dichromate and write the ionic equation for its reaction with iron (II) solution.

Describe the oxidising action of potassium dichromate and write the ionic equation for its reaction with H₂S.