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KVPY2013Chemistryp Block Elements (Group 13 & 14)

Hydrolysis of BCl ₃ gives X which on treatment with sodium carbonate produces Y , X and Y , respectively, are

Options

  1. AH ₃ BO ₃ and NaBO ₂
  2. BH ₃ BO ₃ and Na ₂ ~B ₄ O ₇
  3. CB ₂^ O ₃ and NaBO ₂
  4. DB ₂ O ₃ and Na ₂ ~B ₄ O ₇

Correct answer

B. H ₃ BO ₃ and Na ₂ ~B ₄ O ₇

Step-by-step 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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