Practice Steets & enotes-Carbon & Its Compounds

Carbon and its compounds Worksheet-7

Fill in the blanks:

1. The property of self combination is called _____.

2. If diamond is burnt in oxygen _____ gas is evolved.

3. Diamonds are used as drilling equipments because they are _____.

4. ______ is the name of first member of homologous series of compounds of general formula C_nH_2n+2O.

5. The next higher homologue of chloropentane is _____.

6. The difference in molecular masses of C₄H₉OH and C₉H₁₅OH is ______.

7. Alkanes under go ______ reactions. (substitution/addition)

Carbon and its compounds Worksheet-8

Multiple-Choice Questions: (With One Option Correct)

16. Saturated hydrocarbons generally burn in air with a blue, non sooty flame because:

(A) The percentage of carbon is comparatively low

(B) The  percentage of carbon is comparatively high

(C) Equal percentage of carbon and hydrogen is present

(D) None of these

17. What are the products of given reaction?

Carbon and its compounds Worksheet-9

Fill in the blanks:

1. The various physical forms in which an element can exist are called ______ of the element. 

2. Graphite is a good conductor of electricity but diamond is not because graphite has _____.

3. Carbon compounds are non-conductors of electricity as they are _____.

4. ______ is the name of second member of homologous series of compounds of general formula C_nH_2nO.

5. The compound which comes before pentanone in the homologous series of ketone is _____.

6. The difference in the molecular moss of C₃H₇OH and C₂H₅COOH is ______.

7. Formation of Propyl chloride from propane is an example of ______ reaction.