Melting and Boiling Points of Ionic Compounds

Q.

Ionic compounds have high melting points.

1. False

2. True

Q. Difference between ionic and covalent bonds

Q. Electrostatic force of attraction occurs between

1. Both ionic and covalent compounds
2. Covalent compounds only
3. Ionic Comounds only
4. None of these

Q.

Which of these are true about ionic compounds?

1. Very low melting and boiling points

2. Very high melting and boling points

3. Low melting point but high boiling point

4. High melting point but low boiling point

Q. Which of the following is true regarding ionic compounds.

• Statement 1 : Ionic compounds have high melting point.
• Statement 2 : Strong attraction force between atoms of ionic compounds.

1. Only statement 1 is true.
2. Only statement 2 is true.
3. Both statements are true but statement 2 is not the correct reason for statement 1.
4. Both statements are true. Also, Statement 2 is the correct reason for statement 1.

Q.

Show the bond formation in the structure of hydronium ion and ammonium ion.

Q.

Covalent bond and ionic bond major difference and what are they

Q. The number of types of bonds between two carbonatoms in calcium carbide is :- (1) One sigma, two pi (2) One sigma, one pi (3) Two sigma, one pi (4) Two sigma, two pi

Q. Explain Ionic or electrovalent bond. And list some of it examples and features.

Q.

Which of the following has higher melting point?

(i) Sugar (ii) Salt

1. Salt

2. Sugar

3. Both have same melting and boiling point

4. Data insufficient

Q.

Observe the following given items and write the name of the elements used in them.

________________________________ _________________________________

______________________________ __________________________________

Q. Ionic compounds have high melting points.

1. True
2. False

Q. Which of the following is not true about ionic compounds?

1. Ionic compounds have high boiling point.
2. Ionic compounds have low melting point.
3. Ionic compounds conduct electricity in their molten state.
4. Ionic compounds are generally soluble in water.

Q. Identify the correct option regarding the strength of the ionic bond and covalent bond.

1. Ionic bond is stronger than Covalent bond
2. Ionic bond is weaker than Covalent bond
3. Ionic and Covalent bonds are equally stronger
4. Can't say

Q. The boiling points of diethyl ether, acetone and n-butyl alcohol are 35 degrees Celsius, 56 degrees Celsius and 118 degrees Celsius respectively. Arrange them in increasing order of forces of attraction.

Q. Ionic compounds have high melting and boiling points. This is because of:

1. All of the above
2. Electrostatic force
3. Van-der-Waal force
4. Electro-negativity

Q.

Statement 1: Ionic compounds have high boiling points.
Statement 2: The oppositely charged ions are held together by strong electrostatic forces of attraction and require more heat energy to break the bonds.

1. Only statement 1 is true

2. Only statement 2 is true

3. Both statements are true and Statement 1 is the correct explanation of Statement 2.

4. Both statements are true and Statement 1 is not the correct explanation of Statement 2.

Q. Ionic interactions are directional.

1. True
2. False

Q. Choose the correct option regarding the statements given below:
Statement 1: Ionic compounds have high boiling points.
Statement 2: In ionic bonds the oppositely charged ions are held together by strong electrostatic forces of attraction.

1. Both statements are true and Statement 1 is the right explanation of Statement 2.
2. Only statement 1 is true
3. Both statements are true and Statement 1 is not the right explanation of Statement 2.
4. Only statement 2 is true

Q. The melting point of acetic acid is
A.273K
B.391K
C.290K
D.373K