Conditions for chemical reaction
Conditions for chemical reaction: Overview
This Topic covers sub-topics such as Catalyst, Enzyme Catalysis, Catalytic Reactions, Negative Catalysis, Conditions Necessary for Chemical Reaction, Positive Catalysis and, Chemical Reactions Based on Physical Contact
Important Questions on Conditions for chemical reaction
Give examples of negative catalysis with reactions in which they are used.
Define negative catalysis?
The catalyst that decreases the rate of reaction is called _____ catalyst. (positive/negative)
The catalyst that increases the rate of reaction is called _____ catalyst. (positive/negative)
If the reactants and the catalyst are in the same phase then the reaction is said to be _____. (homogeneous / heterogeneous)
A catalyst is a substance that undergoes a change in a reaction.
Which of the following is a must condition for a chemical reaction to occur?
For every chemical reaction to take place there should be physical contact between the reacting molecules.
Which condition for a chemical reaction can be depicted by the following example:
Fluorine and hydrogen when brought together, react with each other with explosion even in dark.
Give an example of a chemical reaction that shows that physical contact is necessary for a reaction to occur.
What do you mean by photochemical reactions?
Some substances react at high temperatures and some at low temperatures.
The halogenation of alkanes takes place in presence of
Give one example of a chemical reaction that takes place only in the presence of light.
Which of the following catalysis is an example of negative catalysis?
