To balance a chemical equation, place coefficient as needed in front of the symbols or formulas of the elements. So the same number of each type of atom occurs in both reactants and products.
Steps to be followed are-
(1) Write down the chemical reaction in the form of word equation, keeping all the reactants on left hand side and keeping products on right hand side.
(2) Write all the symbol and formula of all reactants and products in word equation.
(3) Balance the whole equation by multiplying the symbols and formula by smallest possible figures.
Same number of each and every atom, of same type occurs in both reactants and products.
Once all the individual elements are balanced, then the total number of atoms of each element on the reactant and product side are compared once again after balancing. If there are no inequalities, the chemical equation is said to be balanced.
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Answer: Chromium is less reactive as compared to Aluminium as it can not easily electrons as aluminium.
Explanation:
The arrangement of metals in a series according to the decreasing order of their reactivity is called reactivity series.
The metals that are placed above hydrogen are more reactive and those below hydrogen are less reactive.
A metal placed above another metal can displace lower metal from its salt solution. Thus a metal placed above in series is more reactive than metals placed below it.
As aluminium can easily lose electrons as compared to chromium , it is more reactive than Chromium.
Answer:
The reagents -
Explanation:
is an electron donating group which directs the electrophile to meta position reduction of nitro group with produces amine.
Acylation of amine with produces required product.
The complete reaction is as follows.
citric acid is in most foods