S8

Q.

What do you understand by bond pairs and lone pairs of electrons? Illustrate by giving one example of each type.

Q. $S_8$ molecule isshaped and hasnumber of lone pairs.

1. crown
2. pyramid
3. 32
4. 16

Q.

Why Oxygen has 2 lone pairs?

Q. The number of valence electrons in sulphur are ___ and in $S_8$ each sulphur is bonded to ___ other sulphur atom/atoms.

1. 8, 3
2. 6, 2
3. 4, 2
4. 6, 4

Q. The number of valence electrons in a sulphur atom are ___ and in $S_8$ each sulphur is bonded to ___ other sulphur atom(s).

1. 8, 3
2. 4, 2
3. 6, 2
4. 6, 4

Q.

What would be the electron dot structure of a molecule of sulphur which is made up of eight atoms of sulphur?

Q.

What is the FC on the starred oxygen atom?

1. 1

2. 0

3. -1

4. -2

Q.

You might have observed in $C{O}_2$ molecule that there are two pairs of valence electrons on each of the oxygen atoms that are not bonded. Such a pair of electrons is called a lone pair. Now how many lone pairs are present is $S_8$ molecule?

1. 4

2. 8

3. 12

4. 16

Q. You might have observed in $C{O}_2$ molecule that there are two pairs of valence electrons on each of the oxygen atoms that are not bonded. Such a pair of electrons is called a lone pair. Now, how many lone pairs are present in $S_8$ molecule?

1. 16
2. 4
3. 8
4. 12

Q. The capablity of carbon of forming single bonds with four other carbon atoms or atoms of some other monovalent element, etc.This property is called as

1. Tetravalancy
2. Catenation
3. Covalent Bonding
4. Organic Chemistry

Q. You might have observed in $C{O}_2$ molecule, that there are two pairs of valence electrons on each of the oxygen atoms that are not bonded. Such a pair of electrons is called a lone pair. Now how many lone pairs are present is $S_8$ molecule?

1. 4
2. 8
3. 12
4. 16

Q. $S_8$ molecule is shaped like a ___.

Q.

You might have observed in $C{O}_2$ molecule, that there are two pairs of valence electrons on each of the oxygen atoms that are not bonded. Such a pair of electrons is called a lone pair. Now how many lone pairs are present is $S_8$ molecule?

1. 4

2. 8

3. 12

4. 16

Q. You might have observed in $C{O}_2$ molecule, that there are two pairs of valence electrons on each of the oxygen atoms that are not bonded. Such a pair of electrons is called a lone pair. Now how many lone pairs are present is $S_8$ molecule?

1. 4
2. 8
3. 16
4. 12

Q. The structure of $S_8$ molecule resembles the shape of a crown.

1. True
2. False

Q. The number of valence electrons in a sulphur atom are ___ and in $S_8$ each sulphur is bonded to ___ other sulphur atom(s).

1. 6, 2
2. 4, 2
3. 8, 3
4. 6, 4

Q. Question 2
What will be the electron dot structure of a molecule of sulphur which is made up of eight atoms of sulphur? (Hint – The eight atoms of sulphur are joined together in the form of a ring)

Q. You might have observed in $C{O}_2$ molecule, that there are two pairs of valence electrons on each of the oxygen atoms that are not bonded. Such a pair of electrons is called a lone pair. Now how many lone pairs are present is $S_8$ molecule?

1. 4
2. 8
3. 16
4. 12