KVPY SX SB Exam 2013 Question Paper

Question : 49 of 120

Marks: +1, -0

Hydrolysis of

BCl_3

gives X which on treatment with sodium carbonate produces Y. X and Y, respectively, are

Solution:

\BCl_3+3\H_2\O→

\H_3\BO_3+3\HCl

4\H_3\BO_3+\Na_2\CO_3→

\Na_2\B_4\O_7+\CO_2+6\H_2\O

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