Question 9
An element which is an essential constituent of all organic compounds belongs to

(a) group 1
(b) group 14
(c) group 15
(d) group 16

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Solution

Option (b) is correct.
Carbon is an essential constituent element for all organic compounds. It has four valence electrons (2, 8, 4) and it belongs to the group 14 of the modern periodic table.

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Question 40
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)

Q. An element

A

belongs to IIA group and another element

B

belongs to VIA group. The compound formed between

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and

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contains:

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Groups in Modern Periodic Table

Standard X Chemistry

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Question 9 An element which is an essential constituent of all organic compounds belongs to (a) group 1 (b) group 14 (c) group 15 (d) group 16

Option (b) is correct. Carbon is an essential constituent element for all organic compounds. It has four valence electrons (2, 8, 4) and it belongs to the group 14 of the modern periodic table.

Question 9
An element which is an essential constituent of all organic compounds belongs to

(a) group 1
(b) group 14
(c) group 15
(d) group 16

Option (b) is correct.
Carbon is an essential constituent element for all organic compounds. It has four valence electrons (2, 8, 4) and it belongs to the group 14 of the modern periodic table.