EASY
10th CBSE
IMPORTANT
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In methane molecule the number of C-H bonds is 6.

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Important Questions on Carbon and its Compounds

EASY
10th CBSE
IMPORTANT
The number of electrons in the valence shell of C atom is 6.
EASY
10th CBSE
IMPORTANT

Write the correct form of the following statement:

Ionic bond is formed by sharing of a pair of electrons between two atoms.

EASY
10th CBSE
IMPORTANT

Write the correct forms of the following statement:

Fluorine atom is more electronegative than H atom, therefore, the H-F bond is formed by gain and loss of electrons.

EASY
10th CBSE
IMPORTANT

Write the correct forms of the following statement:

In C2H4 the valency of C atom is 4, and in C2H2 the valency of C atom is 2.

MEDIUM
10th CBSE
IMPORTANT
Name the main factors which are responsible for the existence of a large number of organic compounds.
EASY
10th CBSE
IMPORTANT
Name the functional group of each of CH3OH, CH3COOH, CH3Cl, and CH3CHO.
MEDIUM
10th CBSE
IMPORTANT

Write the missing terms and complete the following table:

Formula Common name IUPAC name
CCl4   Tetrachloromethane
C2H2 Acetylene  
  Methyl alcohol  
CHCl3 Chloroform  
CH3COOH   Ethanoic acid
CH3CHO Acetaldehyde  
CH4 Marsh gas  

 

EASY
10th CBSE
IMPORTANT
Write the formula of two homologues of ethane.