HSC Science (Electronics) ११ वीं कक्षा - Maharashtra State Board Question Bank Solutions

Convert the following pressure value into Pascals.

1 kPa

Convert the following pressure value into Pascals.

107000 Nm⁻²

Convert the following pressure value into Pascals.

1 atmosphere

Convert exactly 1.5 atm to pascals

Convert 89 kPa to newton per square metre (Nm⁻²)

Convert 101.325 kPa to bar.

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.