The chemical reaction CaO + H2O Ca(OH)2 is exothermic. This means that: O A. the reaction releases heat; as a consequence, Ca(OH)2 instantly loses its water content, which evaporates leaving again only CaO B. the reaction absorbs heat from the environment and Ca(OH)2 gets colder C. the reaction occurs without any change in temperature D. the reaction releases heat and Ca(OH)2 gets warmer O E. the reaction absorbs heat from the environment; as a consequence, the water contained in Ca(OH)2 instantly freezes and Ca(OH)2 becomes solid
Types of Chemical Bonds
The attractive force which has the ability of holding various constituent elements like atoms, ions, molecules, etc. together in different chemical species is termed as a chemical bond. Chemical compounds are dependent on the strength of chemical bonds between its constituents. Stronger the chemical bond, more will be the stability in the chemical compounds. Hence, it can be said that bonding defines the stability of chemical compounds.
Polarizability In Organic Chemistry
Polarizability refers to the ability of an atom/molecule to distort the electron cloud of neighboring species towards itself and the process of distortion of electron cloud is known as polarization.
Coordinate Covalent Bonds
A coordinate covalent bond is also known as a dative bond, which is a type of covalent bond. It is formed between two atoms, where the two electrons required to form the bond come from the same atom resulting in a semi-polar bond. The study of coordinate covalent bond or dative bond is important to know about the special type of bonding that leads to different properties. Since covalent compounds are non-polar whereas coordinate bonds results always in polar compounds due to charge separation.
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