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

Convert −100° C to kelvin

Convert 0.124 torr to the standard atmosphere

Write the balanced chemical reaction to get benzene from Sodium benzoate.

Write the balanced chemical reaction to get benzene from Phenol.

Predict the possible product of the following reaction.

Chlorination of nitrobenzene

Predict the possible product of the following reaction.

sulphonation of chlorobenzene

Predict the possible product of the following reaction.

bromination of phenol

Predict the possible product of the following reaction.

nitration of toluene

Identify the main product of the reaction.

\[\begin{array}{cc}
\ce{CH3 - CH - CH3 ->[{60%}H2SO4][373 K]}\\
|\phantom{............}\\\ce{OH}\phantom{..........}
\end{array}\] _______.

Identify the main product of the reaction:

\[\ce{HC ≡ C - CH3 ->[H2][Pd-C/quinoline]}\] _______.

Identify the main product of the reaction:

\[\ce{H - C ≡ C - H + H - O ->[{40%} H2SO4][{1%} HgSO4]}\] _____.

Identify A, B, C in the following reaction sequence:

\[\ce{CH3 - CH = CH2 ->[Br2/CCl4][room temperature] A ->[Zn] B ->[dil. alkaline][KMnO4] C}\]

Identify giving reason whether the following compound is aromatic or not.

Identify giving reason whether the following compound is aromatic or not.

Identify giving reason whether the following compound is aromatic or not.

Identify giving reason whether the following compound is aromatic or not.

Name two reagents used for acylation of benzene.

Read the following reaction and answer the questions given below:

1. Write the name of the reaction.
2. Identify the electrophile in it.
3. How is this electrophile generated?

Give two differences between the Soap and synthetic detergent.

Explain the Mechanism of cleansing action of soap with flow chart.