N a 2 B 4 O 7- 10 H 2 O Heat - X - NaBO 2- H 2 OX - Cr 2 O 3 Heat - Green YX and Y are-A- Na 3 BO 3 and Cr BO 23B- Na 2 B 4 O 7 and Cr BO 23C- B 2 O 3 and Cr BO 23D- B 2 O 3 and CrBO 3

The correct option is C B_2O_3 and Cr(BO_2)_3Na_2B_4O_7.10H_2O B_2O_3 + NaBO_2 + H_2O B_2O_3 + Cr_2O_3 nbsp;Green colourCr(BO_2)_3 ...

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N a 2 B 4 O 7...

Question

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

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

N a_{3} B O_{3} a n d C r (B O_{2})_{3}

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N a_{2} B_{4} O_{7} a n d C r (B O_{2})_{3}

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B_{2} O_{3} a n d C r (B O_{2})_{3}

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B_{2} O_{3} a n d C r B O_{3}

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