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प्रश्न
Why are covalent compounds generally poor conductors of electricity?
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उत्तर
Covalent compounds are generally poor conductors of electricity because they do not contain ions that can move freely and pass electricity.
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संबंधित प्रश्न
Write any three features and give two examples of covalent compounds
What type of bonds are present in water molecule? Draw the electron-dot structure of water (H2O).
Fill in the blank in the following sentence:
Two chlorine atoms combine to form a molecule. The bond between them is known as ..........
Fill in the following blank with suitable word:
The general formula CnH2n for cycloalkanes is the same as that of ...........
State one test by which sodium chloride can be distinguished from sugar.
What type of bonding would you expect between Hydrogen and Chlorine?
Draw the electron-dot structure of CO2 compound and state the type of bonding.
Explain why, diamond can be used in rock drilling equipment but graphite cannot.
What is graphite?
A covalent molecule having a double bond between its atoms is:
(a) Hydrogen
(b) Oxygen
(c) water
(d) ammonia
Give two example in following case:
Solid covalent compounds
Observe the straight chain hydrocarbons given below and answer the following
questions :
i) Which of the straight chain compounds from A and B is saturated and unsaturated straight chains?
ii) Name these straight chains.
iii) Write their chemical formulae and number of – CH2 - units.
Acids dissolve in water to produce positively charged ions. Draw the structure of these positive ions.
Electrons are getting added to an element Y:
which electrode will Y migrate to during the process of electrolysis?
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
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Give an example for each of the following statement
A compound in which two Covalent bonds are formed.
Acetic acid was added to a solid X kept in a test tube. A colourless, odourless gas Y was evolved. The gas was passed through lime water, which turned milky. It was concluded that ______.
Cation is formed when ______.
Which of the following compounds of carbon does not consist of ions?
A molecule of ammonia (NH3) has
