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Human Eye And Colourful World

Question
CBSEENSC10012064
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Explain why covalent compounds are generally low melting?

Solution
Covalent compounds have strong bonds within the molecule but intermolecular forces are very weak therefore covalent compounds have low melting point.

Some More Questions From Human Eye and Colourful World Chapter

What is meant by double bond or double covalent bond? Give some examples.

What is triple bond or triple covalent bond? Explain the formation of triple bond giving two examples.

What are covalent compounds?

Which of the following combination is most likely to form covalent bond/s? Explain.
(i) Sodium and hydrogen    (ii) Magnesium and oxygen
(iii) Chlorine and oxygen    (iv) Calcium and bromine.

Why does Li tend to form ionic compounds while boron form covalent compounds?

What are the physical properties of carbon compounds or covalent compounds?

Explain why covalent compounds are generally low melting?

Covalent compounds are bad conductors of electricity. Why?

Why are some elements in molecular form while others are in atomic form?

Give the different forms of carbon with examples.

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