Na2B4O7-10H2OHeat-X-NaBO2-H2O X - Cr2O3Heat- Y Green Coloured X and Y are-

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Interhalogen Compounds - Chemical Properties

Na2B4O7.10H2O...

Question

$N a_{2} B_{4} O_{7} .10 H_{2} O H e a t \to X + N a B O_{2} + H_{2} O$

$X + C r_{2} O_{3} H e a t \to$ Y (Green Coloured)

X and Y are:

N a_{3} B O_{3}

and Cr(

B O_{2}

)

_{3}

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N a_{2} B O_{4} O_{7}

and Cr(

B O_{2}

)

_{3}

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B_{2} O_{3}

and Cr(

B O_{2}

)

_{3}

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B_{2} O_{3}

and

C r B O_{3}

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Solution

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Similar questions

N a_{2} B_{4} O_{7} .10 H_{2} O H e a t - -- \to X + N a B O_{2} + H_{2} O

X + C r_{2} O_{3} H e a t - -- \to Y G r e e n c o l o u r

X

Y

$B + C O_{2}$ $\to A + B . A & B$ are as follows

X

Y = ⎡ ⎢ ⎣ \begin{matrix} 1 & 9 & 2 8 & 4 & 7 1 & 5 & 6 \end{matrix} ⎤ ⎥ ⎦

3 X - Y = ⎡ ⎢ ⎣ \begin{matrix} 2 & 3 & 1 7 & 2 & 8 2 & 7 & 3 \end{matrix} ⎤ ⎥ ⎦ .

F e C r_{2} O_{4} + N a O H + a i r \to (A) + F e_{2} O_{3}

(A) + (B) \to N a_{2} C r_{2} 07

N a_{2} C r_{2} O_{7} + X Δ - \to C r_{2} O_{3}

C r_{2} O_{3} + Y Δ - \to C r

The order of colours exhibited by Cr $^{+ 2}$ , Cr $^{+ 3}$ and Cr $^{+ 6}$ ions are respectively :

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