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Cobalt Metal

Cobalt Metal Details


Cobalt chemical symbol Co aik chemical element hai. Cobalt ka atomic number 27 aur iska atomic mass 59 hai. Cobalt aik metal hai. Cobalt aik transition metal hai ye shiny hota hai aur iske andar sey Electricity guzar sakti hai. Cobalt magnetic hai. Cobalt aik hard metal hai. Cobalt fairly reactive hai. Iron ziyada reactive hai aur Copper kam reactive hota hai. Ye acids mein ahista ahista hal hota hai ye reaction Hydrogen aur cobalt ka salt banata hai. Cobalt aam taur par +2 oxidation state mein ion ke taur par hota hai. Kuch chemical compounds mein cobalt ions +4 oxidation state shamil hota hai. Cobalt(II) chloride aik sab sey ziyada aam cobalt compound hai. Bohat saray cobalt compounds blue aur pink hote hain aur in mein sey kuch black hote hain.

Chemical Compounds


Cobalt 2 oxidation state mein aata hai +2 aur +3. Ziyada tar hal hone walay compounds red hote color ke hote hain wo green, blue, black aur brown bhi ho sakte hain.
Cobalt(II) compounds
Cobalt(II) chloride, red solid, most common cobalt compound
Cobalt(II) fluoride, used in dentistry, red solid
Cobalt(II) hydroxide, red or green-blue solid
Cobalt(II) sulfate, reddish solid, used in pigments
Cobalt(II) oxide, black solid
Mixed oxidation state
Cobalt(II,III) oxide, black solid, oxidizing agent

Cobalt(III) compounds

Cobalt(III) oxide, black solid
Cobalt(III) fluoride, brown solid, strong oxidizing agent

Cobalt Occurrence aur Preparation


Cobalt earth par pure element ke taur par bohat reactive hai. Ye mukhtalif minerals mein paya jata hai. Cobalt copper aur nickel dono ke sath paya jata hai. Aam taur par 3 metals arsenic aur sulfur ke saath jure hote hain. Ye byproduct ke taur par us waqt found kiye jate hain jab copper aur nickel banaye jate hai. Ye sludge ke sath reaction copper aur nickel processing sey bante hain.

Uses of Cobalt


Cobalt kuch types ki Steel mein istemal hota hai. Cobalt steel ko sakht karta hai. Cobalt bohat
taqatwar alloys banane ke liye istemal hota hai. Ye alloys ko superalloys bhi kaha jata hai. Kuch cobalt compounds lithium-ion Battery mein istemal hote hain. Cobalt compounds ko 1971 tak food coloring ke liye bhi istemal kiya jata tha. Phir ye baat samne ayi kay cobalt nuqsan deh hota hai. Cobalt glass ko blue karne ke liye istemal hota hai aur isay catalyst ke taur par bhi istemal kiya jata hai. Cobalt kuch medicines mein bhi istemal hota hai. Insani jism ko mukhtalif vitamins ke liye cobalt ki kam miqdar ki zaroorat hoti hai. Cobalt compounds cyanide ko body mein zehar phelane sey rokte hain.

Safety Guide


Logon ko kam miqdar mein cobalt compounds ki zaroorat hoti hai lekin cobalt ki bari miqdar zehreeli hai. Baaz auqat cobalt compounds ko beer mein shamil kiya jata hai aur jab log peete hain to unke jism mein zehar phel jata hai jiske baad ye skin ke masail paida karta hai aur agar koi body ko touch kare to uski wajah sey skin irritation bhi ho sakti hai. Agar aap ke mind mein koi sawal hai to aap neeche comment box mein comment karke mujse pooch sakte hain aur agar apko meri ye post achi lagi hai to neeche Thanks Box par click kar dain aur iss informative post ko Share ke button par click karke facebook ya twitter par apne friends ke sath share bhi karen.
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