Roboguru

Brominasi aseton memerlukan katalis asam dengan reaksi:   Data hasil percobaan reaksi di atas disajikan pada tabel berikut. Tentukan rumus laju reaksinya!

Pertanyaan

Brominasi aseton memerlukan katalis asam dengan reaksi:

begin mathsize 14px style C H subscript 3 C O C H subscript 3 and Br subscript 2 yields with H to the power of plus sign on top C H subscript 3 C O C H subscript 2 Br and H to the power of plus sign and Br to the power of minus sign end style 

Data hasil percobaan reaksi di atas disajikan pada tabel berikut.

Tentukan rumus laju reaksinya! space 

Pembahasan Soal:

  • Orde reaksi terhadap begin mathsize 14px style C H subscript 3 C O C H subscript 3 end style 
    Lihat data undefined dan begin mathsize 14px style open square brackets H to the power of plus sign close square brackets end style yang sama, yaitu pada percobaan 1 dan 5.
     begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell italic v subscript 1 over italic v subscript 5 end cell equals cell fraction numerator italic k open parentheses open square brackets C H subscript 3 C O C H subscript 3 close square brackets close parentheses subscript left parenthesis 1 right parenthesis end subscript superscript italic x space open parentheses open square brackets Br subscript 2 close square brackets close parentheses subscript left parenthesis 1 right parenthesis end subscript superscript italic y space open parentheses open square brackets H to the power of plus sign close square brackets close parentheses subscript left parenthesis 1 right parenthesis end subscript superscript italic z over denominator italic k open parentheses open square brackets C H subscript 3 C O C H subscript 3 close square brackets close parentheses subscript left parenthesis 5 right parenthesis end subscript superscript italic x space open parentheses open square brackets Br subscript 2 close square brackets close parentheses subscript left parenthesis 5 right parenthesis end subscript superscript italic y space open parentheses open square brackets H to the power of plus sign close square brackets close parentheses subscript left parenthesis 5 right parenthesis end subscript superscript italic z end fraction end cell row cell fraction numerator 5 comma 7 cross times 10 to the power of negative sign 5 end exponent over denominator 7 comma 6 cross times 10 to the power of negative sign 5 end exponent end fraction end cell equals cell open parentheses fraction numerator 0 comma 30 over denominator 0 comma 40 end fraction close parentheses to the power of italic x open parentheses fraction numerator 0 comma 05 over denominator 0 comma 05 end fraction close parentheses to the power of italic y open parentheses fraction numerator 0 comma 05 over denominator 0 comma 05 end fraction close parentheses to the power of italic z end cell row cell 3 over 4 end cell equals cell open parentheses 3 over 4 close parentheses to the power of italic x end cell row italic x equals 1 end table end style  
  • Orde reaksi terhadap begin mathsize 14px style Br subscript 2 end style 
    Lihat data undefined dan undefined yang sama, yaitu pada percobaan 1 dan 2.
    begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell v subscript 1 over v subscript 2 end cell equals cell fraction numerator italic k open parentheses open square brackets C H subscript 3 C O C H subscript 3 close square brackets close parentheses subscript left parenthesis 1 right parenthesis end subscript superscript italic x space open parentheses open square brackets Br subscript 2 close square brackets close parentheses subscript left parenthesis 1 right parenthesis end subscript superscript italic y space open parentheses open square brackets H to the power of plus sign close square brackets close parentheses subscript left parenthesis 1 right parenthesis end subscript superscript italic z over denominator italic k open parentheses open square brackets C H subscript 3 C O C H subscript 3 close square brackets close parentheses subscript left parenthesis 2 right parenthesis end subscript superscript italic x space open parentheses open square brackets Br subscript 2 close square brackets close parentheses subscript left parenthesis 2 right parenthesis end subscript superscript italic y space open parentheses open square brackets H to the power of plus sign close square brackets close parentheses subscript left parenthesis 2 right parenthesis end subscript superscript italic z end fraction end cell row cell fraction numerator 5 comma 7 cross times 10 to the power of negative sign 5 end exponent over denominator 5 comma 7 cross times 10 to the power of negative sign 5 end exponent end fraction end cell equals cell open parentheses fraction numerator 0 comma 30 over denominator 0 comma 30 end fraction close parentheses to the power of italic x open parentheses fraction numerator 0 comma 05 over denominator 0 comma 10 end fraction close parentheses to the power of italic y open parentheses fraction numerator 0 comma 05 over denominator 0 comma 05 end fraction close parentheses to the power of italic z end cell row 1 equals cell open parentheses 1 half close parentheses to the power of italic y end cell row italic y equals 0 end table end style  
  • Orde reaksi terhadap undefined 
    Lihat data undefined dan undefined yang sama, yaitu pada percobaan 4 dan 5.
    begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell v subscript 4 over v subscript 5 end cell equals cell fraction numerator italic k open parentheses open square brackets C H subscript 3 C O C H subscript 3 close square brackets close parentheses subscript left parenthesis 4 right parenthesis end subscript superscript italic x space open parentheses open square brackets Br subscript 2 close square brackets close parentheses subscript left parenthesis 4 right parenthesis end subscript superscript italic y space open parentheses open square brackets H to the power of plus sign close square brackets close parentheses subscript left parenthesis 4 right parenthesis end subscript superscript italic z over denominator italic k open parentheses open square brackets C H subscript 3 C O C H subscript 3 close square brackets close parentheses subscript left parenthesis 5 right parenthesis end subscript superscript italic x space open parentheses open square brackets Br subscript 2 close square brackets close parentheses subscript left parenthesis 5 right parenthesis end subscript superscript italic y space open parentheses open square brackets H to the power of plus sign close square brackets close parentheses subscript left parenthesis 5 right parenthesis end subscript superscript italic z end fraction end cell row cell fraction numerator 3 comma 1 cross times 10 to the power of negative sign 4 end exponent over denominator 7 comma 6 cross times 10 to the power of negative sign 5 end exponent end fraction end cell equals cell open parentheses fraction numerator 0 comma 40 over denominator 0 comma 40 end fraction close parentheses to the power of italic x open parentheses fraction numerator 0 comma 05 over denominator 0 comma 05 end fraction close parentheses to the power of italic y open parentheses fraction numerator 0 comma 20 over denominator 0 comma 05 end fraction close parentheses to the power of italic z end cell row cell 4 comma 0789 end cell equals cell open parentheses 4 close parentheses to the power of italic z end cell row italic z equals cell fraction numerator log space 4 comma 0789 over denominator log space 4 end fraction end cell row italic z equals cell 1 comma 0141 end cell end table end style 
    Orde reaksi dibulatkan sehingga begin mathsize 14px style z equals 1 end style
  • Rumus laju reaksi
    begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row italic v equals cell italic k space open square brackets C H subscript 3 C O C H subscript 3 close square brackets to the power of x space open square brackets Br subscript 2 close square brackets to the power of y space open square brackets H to the power of plus sign close square brackets to the power of z end cell row italic v equals cell italic k italic space open square brackets C H subscript 3 C O C H subscript 3 close square brackets to the power of 1 space open square brackets Br subscript 2 close square brackets to the power of 0 space open square brackets H to the power of plus sign close square brackets to the power of 1 end cell row italic v equals cell italic k italic space open square brackets C H subscript 3 C O C H subscript 3 close square brackets space open square brackets H to the power of plus sign close square brackets end cell end table end style  

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 02 Maret 2021

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