Consider the following reactions In the product `C', `X' is the number of units, `Y' is the total number oxygen atoms present and `Z' is the oxidation

Question

Consider the following reactions

$NaCl + K_{2} {Cr}_{2} O_{7} + H_{2} {SO}_{4} \to A + {KHSO}_{4} + {NaHSO}_{4} + H_{2} O$

$A + NaOH \to B + NaCl + H_{2} O$

$B + H_{2} {SO}_{4} + H_{2} O_{2} \to C + {Na}_{2} {SO}_{4} + H_{2} O$

In the product 'C', 'X' is the number of $O_{2}^{2 -}$ units, 'Y' is the total number oxygen atoms present and 'Z' is the oxidation state of Cr. The value of X + Y + Z is ______. [2026]

Smart Achievers · Accepted Answer

(13)

$A \to {CrO}_{2} {Cl}_{2}$

$B \to {Na}_{2} {CrO}_{4}$

$C \to {CrO}_{5}$

$X = 2, Y = 5 and Z = 6$

Solution

Ans.
(13)

$A \to {CrO}_{2} {Cl}_{2}$

$B \to {Na}_{2} {CrO}_{4}$

$C \to {CrO}_{5}$

$X = 2, Y = 5 and Z = 6$

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Solution

Ans. (13) A→CrO2Cl2 B→Na2CrO4 C→CrO5 X=2, Y=5 and Z=6

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Ans.
(13)

$A \to {CrO}_{2} {Cl}_{2}$

$B \to {Na}_{2} {CrO}_{4}$

$C \to {CrO}_{5}$

$X = 2, Y = 5 and Z = 6$