HSC Science (General) इयत्ता ११ वी - Maharashtra State Board Question Bank Solutions for Chemistry

Answer in one sentence.

Name the pain killer obtained from acetylation of salicylic acid.

Answer in one sentence.

Name the class of drug often called as a painkiller.

Answer in one sentence.

Draw the structure of chloroxylenol.

Answer in one sentence.

Draw the structure of salvarsan.

Answer in one sentence.

Write molecular formula of Butylated hydroxytoluene.

Answer in one sentence.

What is the tincture of iodine?

Write the molecular formula and name of:

Write two examples of the following:

1. Analgesics
2. Antiseptics
3. Antibiotics
4. Disinfectant

List the characteristic physical properties of the gases.

Give the reactions supporting the basic nature of ammonia.

Write the balanced chemical reaction for the preparation of ethane from Ethyl magnesium iodide.

Identify primary, secondary, tertiary and quaternary carbon in the following compounds.

\[\begin{array}{cc}
\ce{CH3}\phantom{.................}\\
|\phantom{....................}\\
\ce{CH3 - C - CH - CH2 - CH2 - CH3}\\
|\phantom{.....}|\phantom{...............}\\
\ce{CH3}\phantom{..}\ce{CH3}\phantom{.............}
\end{array}\]

Identify primary, secondary, tertiary, and quaternary carbon in the following compound.

\[\begin{array}{cc}
\ce{CH3}\phantom{..................}\\
|\phantom{....................}\\
\ce{CH3 - C - CH - CH2 - CH2 - CH3}\\
|\phantom{....}|\phantom{................}\\
\ce{CH3} \ce{CH3}\phantom{..............}
\end{array}\]

Identify primary, secondary, tertiary and quaternary carbon in the following compounds.

\[\begin{array}{cc}
\ce{CH3}\phantom{.................}\\
|\phantom{...................}\\
\ce{CH3 - C - CH - CH2 - CH2 - CH3}\\
\phantom{}|\phantom{....}|\phantom{...............}\\
\phantom{}\ce{CH3}\phantom{.}\ce{CH3}\phantom{.............}
\end{array}\]

A compound is prepared from the mineral colemanite by boiling it with a solution of sodium carbonate. It is a white crystalline solid and is used for inorganic qualitative analysis.

Write the reaction that explains its formation.

Give the test that is used to detect borate radicals is qualitative analysis.

Ammonia is a good complexing agent. Explain.

Identify primary, secondary, tertiary, and quaternary carbon in the following compounds.

\[\begin{array}{cc}
\ce{CH3}\phantom{..................}\\
|\phantom{....................}\\
\ce{CH3 - C - CH - CH2 - CH2 - CH3}\\
\phantom{}|\phantom{....}|\phantom{................}\\
\phantom{.}\ce{CH3\phantom{.}CH3}\phantom{..............}
\end{array}\]

Define: Least count

Define : Least count