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प्रश्न
Fill in the following blank with suitable word:
The general formula CnH2n for cycloalkanes is the same as that of ...........
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उत्तर
The general formula CnH2n for cycloalkanes is the same as that of alkenes.
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संबंधित प्रश्न
State the reason to explain why covalent compounds "are bad conductors of electricity".
Explain the bonding in methane molecule using electron dot structure.
Name the element whose one of the allotropic forms is buckminsterfullerene.
What type of bonds are present in CO2 molecule? Draw their electron-dot structures.
Give one example of a molecule containing a single covalent bond.
What type of bond is present in oxygen molecule?
Draw the electron-dot structure of N2 and state the type of bonding.
State one use of diamond which depends on its 'extraordinary brilliance' and one use of graphite which depends on its being 'black and quite soft'.
A covalent molecule having a double bond between its atoms is:
(a) Hydrogen
(b) Oxygen
(c) water
(d) ammonia
The molecules having triple bond in them are:
(a) oxygen and ethyne
(b) carbon dioxide and ammonia
(c) methane and ethene
(d) nitrogen and ethyne
You can buy solid air-freshners in shops. Do you think these substance are ionic or covalent? Why?
Give the characteristic properties of covalent compounds.
Define a coordinate bond.
Draw an electron dot structure of the following molecule. (Without showing the circle) :
Methane
Explain the following term with example.
Alkane
Choose the correct answer from the options given below
Which one is not example of polar covalent compound?
Fill in the blank with correct word from the bracket.
Melting and boiling points of covalent compounds are generally ______ (low, high).
What is the difference between a polar covalent compound and a non-polar covalent compound?
Answer the following question.
What is methane? Draw its electron dot structure. Name the type of bonds formed in this compound. Why are such compounds:
(i) poor conductors of electricity? and
(ii) have low melting and boiling points? What happens when this compound burns in oxygen?
Assertion (A): Melting point and boiling point of ethanol are lower than that of sodium chloride.
Reason (R): The forces of attraction between the molecules of ionic compounds are very strong.
