MEDIUM
10th CBSE
IMPORTANT
Earn 100

Which of the following statements are usually correct for carbon compounds? These
(i) are good conductors of electricity
(ii) are poor conductors of electricity
(iii) have strong forces of attraction between their molecules
(iv) do not have strong forces of attraction between their molecules

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Important Questions on Carbon and its Compounds

EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4A>Q 2
Carbon, (Group 14) element in the periodic table, is known to form compounds with many elements. Write an example of a compound formed with
(a) chlorine (Group 17 of periodic table)
(b) oxygen (Group 16 of periodic table)
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4A>Q 2
Explain how a single covalent bond is formed between.
(i) two atoms of hydrogen
(ii) two atoms of fluorine.
Support your answer by drawing dot diagrams and structural diagrams.
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4A>Q 3
By drawing dot diagrams explain the formation of
(i) a molecule of oxygen
(ii) a molecule of nitrogen.
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4A>Q 4
Why does carbon form compound mainly by covalent bonding?
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4A>Q 4
List any two reasons for carbon forming a very large number of compounds.
EASY
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4A>Q 5
Allotropy is a property shown by which class of substances, elements, compounds or mixtures? Give one example of allotropy.
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4A>Q 6
In electron dot structure, the valence shell electrons are represented by crosses or dots.
(a) The atomic number of chlorine is 17. Write its electronic configuration
(b) Draw the electron dot structure of chlorine molecule.
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4A>Q 7
Catenation is the ability of an atom to form bonds with other atoms of the same element. It is exhibited by both carbon and silicon. Compare the ability of catenation of the two elements. Give reasons.