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

Read the following reaction and answer the questions given below.

\[\begin{array}{cc}
\phantom{...............................}\ce{CH3}\\
\phantom{............................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide]CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{..................................}
\end{array}\]

1. Write the IUPAC name of the product.
2. State the rule that governs the formation of this product.

Read the following reaction and answer the questions given below.

\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{............................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide]CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}
\end{array}\]

1. Write IUPAC name of the product.
2. State the rule that governs formation of this product.

Read the following reaction and answer the questions given below.

\[\begin{array}{cc}
\phantom{..........................}\ce{CH3}\\\phantom{........................}|\\\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide]  CH3 - CH - CH2Br}\\
|\phantom{......................................}\\
\ce{CH3}\phantom{....................................}\end{array}\]

1. Write the IUPAC name of the product.
2. State the rule that governs the formation of this product.

Read the following reaction and answer the questions given below. 

\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{............................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{..................................}
\end{array}\] 

1. Write IUPAC name of the product.
2. State the rule that governs formation of this product.

What is an adsorption isotherm?

Choose the correct option:

How many grams of water will be produced by complete combustion of 12 g of methane gas?

Define Stoichiometry. 

Answer in one sentence:

Name the element that shows the simplest emission spectrum.

Choose the correct option.

Which of the following methods can be used to separate two compounds with different solubilities in the same solvent?

Choose the correct option.

Which of the following techniques is used for the separation of glycerol from soap in the soap industry?

Choose the correct option.

A mixture of acetone and benzene can be separated by the following method:

Why is a condenser used in distillation process?

What will happen if the upper outlet of the condenser is connected to the tap instead of the lower outlet?

What is the difference between simple distillation and fractional distillation?

Define Distillation

Explain inadequacies octet rule with respect to

1. Incomplete octet
2. Expanded octet

Answer in one sentence:

Write an equation for Freundlich adsorption isotherm.

Explain graphically Freundlich adsorption isotherm.

Choose the correct option.

\[\ce{^60_27CO}\] decays with a half-life of 5.27 years to produce \[\ce{^60_28Ni}\]. What is the decay constant for such radioactive disintegration?

Write relation between decay constant of a radioelement and its half-life.