1.

We ourselves are made up of carbon compounds. The numbers of carbon compounds whose formulae are known to chemists was recently estimated to be in millions? This outnumbers, by a large margin, the compounds formed by all the other elements put together.1. State true or false: The nature of the covalent bond enables carbon to form a large number of compounds.(i) TRUE(ii) FALSE2. With which of the following element(s) does the carbon forms the compound?(i) Nitrogen(ii) Sulphur(iii) Chlorine(iv) All of the above3. Which of the following characteristic feature(s) of carbon is responsible for large number of compounds ?(i) Catenation(ii) Tetravalency(iii) Both (i) and (ii)(iv) Pentavalency4. State true or false: One reason for the formation of strong bonds by carbon is its small size.(i) TRUE(ii) FALSE5. Which carbon compounds are exempted from the branch of organic chemistry?(i) Carbon dioxide(ii) Carbides(iii) Carbonates(iv) All of these

Answer»

1. (i) TRUE

2. (iv) All of the above

3. (iii) Both (i) and (ii)

4. (i) TRUE

5. (iv) All of these



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