Consider the equations given below and find the sum of x, y and z . (i) M g + x H N O 3 very dilute 5 % → M g N O 3 2 + H 2 (ii) C u + y H N O 3 ( d i l . ) → 3 C u N O 3 2 + 2 N O + 4 H 2 O (iii) I 2

Question

Consider the equations given below and find the sum of $x, y$ and $z$ .

(i) $M g + \underset{(very dilute)}{x H N O_{3}} (5 %) \to M g {(N O_{3})}_{2} + H_{2}$

(ii) $C u + \underset{(d i l .)}{y H N O_{3}} \to 3 C u {(N O_{3})}_{2} + \underset{}{2 N O} + 4 H_{2} O$

(iii) $I_{2} + z H N O_{3} \to \underset{}{2 H I O_{3}} + 10 N O_{2} + 4 H_{2} O$

TestHub · Accepted Answer

(i) M g + 2 H N O 3 very dilute 5 % → M g N O 3 2 + H 2 P (ii) C u + 8 H N O 3 ( d i l . ) → 3 C u N O 3 2 + 2 N O Q + 4 H 2 O (iii) I 2 + 10 H N O 3 → 2 H I O 3 R + 10 N O 2 + 4 H 2 O Here x = 2, y = 8 and z = 10 Hence, x + y + z = 2 + 8 + 10 = 20

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