Practice Steets & enotes-Carbon & Its Compounds

Carbon and its compounds Worksheet-1

Fill in The Blanks:

1. ____ bonds are present between carbon atoms in saturated hydrocarbons.

2. The formula of Buckminster fullerene is _________.

3. ________ is the general name of the class of compounds having general formula C_nH_2n.

4. ______ is the name of sixth member of homologous series carbon compounds represented by the general formula C_nH_2n–2

5. The number of carbon atoms in decanoic acid is _________.

6. Fuels burn with yellow flame when oxygen supply is ________.

Multiple-Choice Question:

Carbon and its compounds Worksheet-2

Multiple-Choice Questions: (With One Option Correct):

16. What are the products in the given reaction?

(A) CH₃Cl + HCl    (B) CH₂Cl₂            (C) CHCl₃              (D) CCl₄

(E) All of these

17. A mixture of ethyne (acetylene) and oxygen is burnt for welding but the mixture of ethyne and air is not used because:

(A) Ethyne undergoes incomplete combustion in air

Carbon and its compounds Worksheet-3

Fill in the blanks:

1. Valency of carbon is _____.

2. __________ bonds are present between carbon atom in unsaturated compounds.

3. There are _____ hexagonal rings in Buckminster fullerene.

4. ______ is the general name of the class of compounds having general formula C_nH_2n+2.

5. _______ is the homologous series of the organic compounds of formula C₁₈H₃₆.

6. The name of the first member of the compound of the homologous series of general formula C_nH_2n+1Cl is ______.

7. The saturated hydrocarbons generally burn in air with blue and non-sooty flame because the percentage of carbon is _______ in them.