HSC Science (General) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions

Explain the classification of polymers on the basis of origin.

Define fibres.

Define unit cell.

What are reducing and non-reducing sugars?

Explain monodentate and ambidentate ligands with example.

Write classification of polymers on the basis of structure.

Write chemical reactions of following reagents on methoxyethane:

hot HI

Write chemical reactions for the following conversions:

Ethyl bromide to ethyl methyl ether.

The molecule of glucose is also called ______.

Write IUPAC names of following compounds.

Write IUPAC names of following compounds.

Write the IUPAC name of

\[\begin{array}{cc}
\ce{CH3 - CH = C - CH - Br}\\
\phantom{.......}|\phantom{....}|\phantom{.}\\
\phantom{......}\ce{H3C}\phantom{...}\ce{CH3}\phantom{}
\end{array}\]

The glycosidic linkage present in maltose is ______.

Convert the following:

Ethyl alcohol into ethyl acetate.

Convert the following:

Ethyl alcohol into ethyl acetate.

Convert the following:

Ethyl alcohol into ethyl acetate.

A weak monobasic acid is 10% dissociated in 0.05 M solution. What is the percent dissociation in 0.15 M solution?

Explain anomalous behaviour of oxygen in group 16 with respect to:

1. Atomicity
2. Magnetic property
3. Oxidation state

Write a chemical reaction for the following conversion:

Acetic acid into ethyl alcohol.

Write a chemical reaction for the following conversion:

Acetic acid into ethyl alcohol.