Organic Compounds and Soap Action Quiz
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Questions and Answers

Why are most carbon compounds poor conductors of electricity?

Most carbon compounds are poor conductors of electricity because the forces of attraction between the molecules are not very strong, and the bonding in these compounds does not give rise to any ions.

What is the melting point of methane (CH4) in Kelvin?

The melting point of methane (CH4) is 90K.

What is the boiling point of ethanol (CH3CH2OH) in Kelvin?

The boiling point of ethanol (CH3CH2OH) is 351K.

Why do carbon compounds have low melting and boiling points compared to ionic compounds?

<p>Carbon compounds have low melting and boiling points compared to ionic compounds because the forces of attraction between the molecules are not very strong.</p> Signup and view all the answers

Which carbon compound has the highest boiling point among the ones listed?

<p>Acetic acid (CH3COOH) has the highest boiling point of 391K.</p> Signup and view all the answers

What is the general nature of the forces of attraction between molecules in carbon compounds with low melting and boiling points?

<p>Weak</p> Signup and view all the answers

Why are most carbon compounds poor conductors of electricity?

<p>Due to non-existence of ions</p> Signup and view all the answers

What is the combining capacity of elements based on according to Class IX?

<p>Number of valence electrons</p> Signup and view all the answers

What is the molecular formula of chloroform?

<p>CHCl3</p> Signup and view all the answers

What is the boiling point of acetic acid (CH3COOH) in Kelvin?

<p>391 K</p> Signup and view all the answers

Which carbon compound listed has the lowest boiling point?

<p>Methane (CH4)</p> Signup and view all the answers

What is the melting point of ethanol (CH3CH2OH) in Kelvin?

<p>156 K</p> Signup and view all the answers

What is the common name for ethanoic acid?

<p>Acetic acid</p> Signup and view all the answers

What is the molecular formula of methane?

<p>CH4</p> Signup and view all the answers

What is the boiling point of chloroform (CHCl3) in Kelvin?

<p>334 K</p> Signup and view all the answers

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