What is the oxidation number of chromium in the dimeric hydroxo bridged species ?

Question

What is the oxidation number of chromium in the dimeric hydroxo bridged species ? <img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/7f08cb6a5c4174e40f8829b60fc9eb54-.jpeg" /> (A) + 6 (B) + 4 (C) + 3 (D) + 2

Tardigrade Admin · Accepted Answer

<img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/95343ba10d736a49be9682810b554e71-.jpeg" /> (0) x× 4 + x + (-2) + (-2) + x + (0) × 4 = 4 2x + (-4) = +4 2x =+8 (Cr) x = +4

Q. What is the oxidation number of chromium in the dimeric hydroxo bridged species ?

$+ 6$

$+ 4$

$+ 3$

$+ 2$

$(0) x \times 4 + x + (- 2) + (- 2) + x + (0) \times 4 = 4$
$2 x + (- 4) = + 4$
$2 x = + 8$
$(C r) x = + 4$