Question

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Answer 1

Answer:

25. a. Covalent compounds don't have more free electrons as much as ionic compounds have so when electrons present large in number then they can conduct electricity

b. Carbon is versatile because it can form single, double,and triple bonds. It can also form chains, branched chain, and rings when connected to other carbon atoms. The two characteristic features seen in carbon, that is, tetravalency, and catenation, put together give rise to a large number of compounds

c. Diamond and graphite are good conductors of heat. Most of the non metals are good insulators of heat.

d. The first four members of alkyne homologous series :

1.ethyne

2. ethene

3. Propyne

4. Methane

e. CH2 or 14 units

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Answer 2

Explanation:

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