Question

2. State the limitations of Dobereiner's law of triads. 3 What is the immortance of chemical equation?
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Answer 1

Explanation:  

Limitations of Dobereiner's law of triads:

• He was able to find only three triads, only for 9 elements.
• The discovery of other elements made this law obsolete.
• Because they did not fit into any triads.

Importance of chemical equation:

• The changes that occur during the chemical reaction can be understood by the chemical equation.
• It give information about the change of the state, chemical composition, and heat energy of the reaction.  
• It makes it easy to understand the chemical reaction.  

 

Answer 2

Answer:

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