Ionic Bond

Q.

Name different types of bond present in ${\mathrm{NH}}_4\mathrm{Cl}$.

Q.

Is CaCl₂ a covalent bond?

Q. Ionic compounds are good conductors of eletricity in the solid state.

1. False
2. True

Q. Which of the following compound is soluble in water?

1. NaCl
2. ${\text{CO}}_2$
3. ${\text{N}}_2$
4. ${\text{CH}}_4$

Q.

The nature of bonds present in sodium hydroxide include

1. Ionic, covalent and coordinate covalent

2. Ionic and covalent

3. Covalent and coordinate covalent

4. Ionic and coordinate covalent

Q.

Ionic solids conduct electricity in a molten state but not in solids state. Explain.

Q. How many pairs of electrons are shared between magnesium and oxygen while forming magnesium oxide?

1. 0
2. 1
3. 2
4. 3

Q.

The chemical bond formed by the transfer of electrons between two atoms is called an ionic bond.

1. True
2. False

Q.

Which of the following compound is ionic?

1. $\mathrm{KCl}$

2. ${\mathrm{CH}}_4$

3. Diamond

4. ${\mathrm{H}}_2$

Q. What is Ionic bonding?

Q.

What is a bonding?

Q. In the formation of ionic bonds, the participating atoms are metallic and non-metallic in nature. They exchange their valence electrons only.
State true or false.

1. True
2. False

Q. Ionic bond is formed when transfer of electrons takes place between two atoms.

1. True
2. False

Q. The ionic bond is also known as ___

Q. Which of the following compound are formed by ionic bonding?

1. $\text{KCl}$
2. ${\text{CO}}_2$
3. $\text{MgO}$
4. ${\text{Cl}}_2$

Q.

Potassium Iodide has a high melting point than benzoic acid.

1. False

2. True

Q.

Define electrovalent or ionic bond

Q. Give one example each of the following:
(i) A molecule containing a single covalent bond
(ii) A molecule containing a double covalent bond
(iii) A molecule containing a triple covalent bond
(iv) A compound containing an ionic bond

Q. Choose the correct statement(s) from the following.

1. Magnesium oxide is more stable than carbon dioxide.
2. magnesium oxide has higher melting point than ice.
3. Hydrogen has more density than potassium chloride
4. Carbon dioxide is more stable than magnesium oxide.

Q. What is the kind of bond that is formed when ‘sharing of electrons’ take place between two or more atoms?

1. Ionic Bond
2. Covalent Bond
3. None of the above
4. Electronic Bond

Q.

Conduction of electric current takes place in covalent compounds.

1. True

2. False

Q.

How are the following bonds formed?

Covalent bond

Q. Ionic or electrovalent compounds do not conduct electricity in their ___________ state.

1. Fused
2. Liquid
3. Solid
4. Gaseous

Q.

When the state of a substance is written in brackets in a chemical reaction, “aq” stands for ___

1. Liquid

2. Water

3. Unknown

4. Aqueous

Q.

Why are ionic compounds hard and brittle?

Q.

a. Write the electronic configuration of the H atom.

b. Draw the structure of an H₂ molecule.

c. Which type of bond is present in an H₂ molecule?

d. What value does the above bond type propagate?

e. Which metal is used as a catalyst in the hydrogenation of oils to fats?

Q.

Na and Cl combine to form sodium chloride. Which of the following statement(s) below is true?​

Statement 1: Sodium loses one electron to form a cation.​

Statement 2: Chlorine loses one electron to from a cation.​

Q.

what is the temperature at which H₂O acquires maximum density? and how?

Q. 1 mole of hydrogen= ? Many grams

Q. Sodium atom loses an electron and attains ______ charge.

1. +2
2. -1
3. -2
4. +1