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प्रश्न
Name two compounds that are covalent when taken pure but produce ions when dissolved in water.
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उत्तर
HCl and H2O
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संबंधित प्रश्न
The electronic configurations of two elements A and B are given below:
| A | 2, 6 |
| B | 2, 8, 1 |
- What type of chemical bond is formed between the two atoms of A?
- What type of chemical bond will be formed between the atoms of A and B?
State the type of bonding in the following molecule.
Water
Write answer as directed.
What causes the existance of very large number of carbon compound ?
Taking hydrogen chloride and methane as examples, distinguish between a polar covalent bond and a non polar covalent bond.
Give examples for the following:
Two solid covalent compounds.
Generally, the melting and boiling point of carbon compounds are found to be less than _______ °C.
Your body is made up of carbon.
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
| \[\begin{array}{cc}\phantom{......}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{..}\\ \phantom{.....}|\phantom{....}|\phantom{....}|\\ \ce{H - C - C = C}\\\phantom{.....}|\phantom{.........}|\\ \phantom{.....}\ce{H}\phantom{........}\ce{H}\end{array}\] |
Mineral acids are stronger acids than carboxylic acids because
- mineral acids are completely ionised
- carboxylic acids are completely ionised
- mineral acids are partially ionised
- carboxylic acids are partially ionised
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.
