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Perhatikan reaksi redoks berikut ini, a NO 2 - + b Al → c NH 3 + d AlO 2 - Berapakah nilai a, b, c, dan d?

Perhatikan reaksi redoks berikut ini,

aNO2- + bAl → cNH3 + dAlO2-

Berapakah nilai a, b, c, dan d?

  1. 1, 2, 1, dan 2

  2. 2, 1, 2, dan 1

  3. 1, 1, 2 dan 2

  4. 2, 2, 1, dan 1

  5. 1, 1, 1, dan 2

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R. RGFREELANCETIGASATU

Master Teacher

Jawaban terverifikasi

Jawaban

nilai a = 1, b = 2, c = 1, d = 2

nilai a = 1, b = 2, c = 1, d = 2

Pembahasan

Sehingga, nilai a = 1, b = 2, c = 1, d = 2

Reduksi space space space space space colon space N O subscript 2 to the power of minus space plus 7 H to the power of plus space plus space 6 e minus space space space space space rightwards arrow space space space space space space space N H subscript 3 space plus space 2 H subscript 2 O space space space space space space space space space space space space space left parenthesis cross times 1 right parenthesis Oksidasi space space space space colon space A l space plus space 2 H subscript 2 O space space space space space space space space space space space space space rightwards arrow space space space space space space space A l O subscript 2 minus space plus space 4 H to the power of plus space plus space 3 e minus space space space space space space space left parenthesis cross times 2 right parenthesis

 

space N O subscript 2 to the power of minus space plus 7 H to the power of plus space plus space 6 e to the power of minus space rightwards arrow space N H subscript 3 space plus space 2 H subscript 2 O space bottom enclose 2 A l space plus space 4 H subscript 2 O space rightwards arrow 2 A l O subscript 2 to the power of minus space plus space 8 H to the power of plus space plus space 6 e to the power of minus space plus end enclose N O subscript 2 to the power of minus space plus space 2 A l space plus space 2 H subscript 2 O rightwards arrow space N H subscript 3 space plus 2 A l O subscript 2 to the power of minus space plus space H to the power of plus

                     

Sehingga, nilai a = 1, b = 2, c = 1, d = 2

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a C u ( s ) ​ + b H N O 3 ( a q ) ​ → c C u ( N O 3 ​ ) 2 ( a q ) ​ + d N O ( g ) ​ + e H 2 ​ O ( l ) ​ Koefisien a, b, c, d, dan e pada reaksi di atas secara berturut – turut adalah …

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