Q. 24.2( 14 Votes )
What do you mean by ionic bond?
Ionic Bond is a type of chemical bond which exists between two oppositely charged species and the bond is mainly formed between electron donor element and electron acceptor element.
Example- NaCl, KBr etc.
In example of NaCl, Sodium atom donate one electron to chlorine atom to form ionic bond.
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i. What is observed when a solution of potassium iodide is added to a solution of lead nitrate taken in a test tube?
ii. What type of reaction is this?
iii. Write a balanced chemical equation to represent the above reaction.
A brown substance ‘X’ on heating in air forms a substance ‘Y’. When hydrogen gas is passed over heated ‘Y’, it again changes back into ‘X’.
i. Name the substance ‘X’ and ‘Y’
ii. Name the type of chemical reactions occurring during both the changes.
iii. Write the chemical equations of the reactions.Xam idea - Science