HSC Science (Electronics) 11th Standard - Maharashtra State Board Question Bank Solutions

With the help of a diagram answer the questions are given below:

1. Which atom should have smaller ionization energy, oxygen, or sulphur?
2. The lithium forms +1 ions while beryllium forms +2 ions?

Define ionic radius

Define electronegativity

What are the valence electrons?

Define ionization enthalpy.

Name the factors on which ionization enthalpy depends?

How does ionization enthalpy vary down the group and across a period?

How the atomic size vary in a group and across a period? Explain with suitable example.

Give reason.

Alkali metals have low ionization enthalpies.

Give reason.

Inert gases have exceptionally high ionization enthalpies.

Find out the type of isomerism exhibited by the following pair.

CH₃ – CH₂ – NH – CH₂ - CH₃ and CH₃ - NH - CH₂ - CH₂ - CH₃

Find out the type of isomerism exhibited by the following pair.

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

Give reason.

Fluorine has less electron affinity than chlorine.

Find out the type of isomerism exhibited by the following pair.

Give reason.

Noble gases possess relatively large atomic size.

Find out the type of isomerism exhibited by the following pair.

Choose the correct option.

Which type of isomerism is possible in CH₃ CHCHCH₃?

Answer in one sentence.

The pressure that each individual gas would exert if it were alone in the container, what do we call it as?

Answer in one sentence.

When a gas is heated the particles move more quickly. What is the change in the volume of a heated gas if the pressure is kept constant?

If the density of a gas is measured at constant temperature and pressure then which of the following statement is correct?