Question

solve this fast yrr plz
plz yrr krdo plz plz​

Answer 1

Answer:

H  

2

​  

+O  

2

​  

→2H  

2

​  

O

10 g of hydrogen (molar mass 2 g/mol) =  

2 g/mol  

10 g  

​  

= 5 mol  

64 of oxygen  (molar mass 32 g/mol) =  

32 g/mol  

64 g  

​  

= 2 mol  

As per the balanced chemical equation, 1 mole of oxygen will react with 2 moles of hydrogen to form 2 moles of water.

2 moles of oxygen will react with 2×2=4 moles of hydrogen to form 4 moles of water.

Here, oxygen is the limiting reagent and hydrogen is the excess reagent.

Answer 2

• Thionyl chloride is preferred for preparing alkyl chlorides from alcohols because the by-products formed in the reaction are SO2SOX2 and HClHCl which are in gaseous form and escape into the atmosphere leaving behind pure alkyl chlorides. !!

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