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why lithium reacts less vigarously than sodium ?

4 years ago

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Answers : (4)

										

Dohhh !! check the reactivity series


http://en.wikipedia.org/wiki/Reactivity_series


Elements at the top are hyper reactive and this decreases downwards..


sodium comes above lithium so likewise it reacts more vigorously


 


 

4 years ago
										

Lithium is a small molecule compared to sodium.... the attraction between the outermost electron and the nucleus in Li is more than the attraction between outermost electron and nuclei of Na... when a small amount of energy is supplied to Sodium, the outermost electron jumps out and enables Na to take part in Chemical reactions... while in the case of Li more amount of energy is to be supplied to overcome the attraction between the outermost electron and the nucleus... Hence Na reacts vigorously when compared to Li..... PLZ approve this answer!!!!!

4 years ago
										

but energy will be released on rection with water rt

4 years ago
										

U will learn in higher classes that energy is inversely propotional to stability.....


consider the reaction:


REACTANTS ----> PRODUCTS


where enormous amount of energy is lost in the form of heat... the energy of the products is less than the energy of the reactants (heat is lost)... hence the products is stable when compared to the reactants... Na has higher energy than Li... it is less stable compare to Li... it reacts with water vigorously and enormous amount of heat is lost during the process and forms NaOH which is stable... Li also reacts with water vigorously but since its already stable (has less energy) it reacts less vigorusly than water....

4 years ago

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MR PRAPUL, please give the answer then i will approve if it is correct.….….….….….….….….….….….….….….….….….….….….….….….….….….….….….….….…...
 
Gowri sankar 4 months ago
 
good bye..................................................................................................
 
Prabhakar ch 3 months ago
 
please give the answer then i will approve if it is correct.
 
PRAPULPODISHETTI 9 months ago
Sir, If I practice previous 15 years question papers , can I tackle Jee advanced. I scored only 104 in mains (gen catogory)
 
 
Dear student You need to do each question with proper reasoning and understanding to tackle JEE advance since the time is less.
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Bhavya one month ago
 
AS YOUR MARKS ARE GOOD IN JEE MAINS AND YOU NEED ONLY MORE PRACTICE SO SOLVING LAST 15 YEAR PAPERS IS VERY BENIFICIAL FOR YOU. THANKS AND APPROVE MY ANSWER REGARDS @SAHIL
 
SAHIL one month ago
 
@ karthika in these 20 days u should have to practice last 15 years , thats must for you , and also each and every ques carefully , so, that u will not do any mistake if that types of ques...
 
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Getting core branches is difficult for you. You may be requred to wait upto spot round for getting this.
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Vijay Mukati 10 months ago
 
Its difficult to say at this moment.
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Vijay Mukati 10 months ago
 
Tier 2 or tier 3 NITs.
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Vijay Mukati 10 months ago
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T.kumar 4 months ago
 
The coefficient of three consecutive terms in the expansion of (1+a) n are in the ratio 1:7:42 then find n value. All the best for your bright future
 
Prabhakar ch 3 months ago
 
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