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Ca(2)B(6)O(11)+2Na(2)CO(3)to X+2CaCO(3)+...

`Ca_(2)B_(6)O_(11)+2Na_(2)CO_(3)to X+2CaCO_(3)+2NaBO_(2)` The compound X in the above reaction is

A

`Na_(2)B_(4)O_(7)`

B

`HBO_(2)`

C

`H_(3)BO_(3)`

D

`H_(2)B_(4)O_(7)`

Text Solution

Verified by Experts

The correct Answer is:
A
`underset("Colemanite")(Ca_(2)B_(6)O_(11))+2Na_(2)OC_(3) rarr underset((X)("Borax"))(Na_(2)B_(4)O_(7))+2NaBO_(2)+2CaCO_(3)`
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