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AP EAMCET202423 May 2024Morning ShiftChemistryd and f Block ElementsActual

Acidification of chromate gives ' Z '. The oxidation state of chromium in ' Z ' is

Options

  1. A+3
  2. B+6
  3. C+7
  4. D+2

Correct answer

B. +6

Step-by-step solution

2 Na ₂ CrO ₄+2 H ⁺ Na ₂ Cr ₂ O ₇+2 Na ⁺+ H ₂ O aligned & Na ₂ Cr ₂ O ₇: & (+2)+(2 x )-(14)=0 & 2 x -12=0 & x=6 aligned

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