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Question: Answered & Verified by Expert
Be2C + 4 H2O 2 X + CH4

X + 2 HCl  Y

'X' and 'Y' formed in the above two reactions are -
Chemistrys Block ElementsNEET
Options:
  • A BeCO3 and Be(OH)2 ; respectively
  • B Be(OH)2 and BeCl2 ; respectively
  • C Be(OH)2 and [Be(OH)4]Cl2 ; respectively
  • D [Be(OH)4]2- and BeCl2 ; respectively
Solution:
1013 Upvotes Verified Answer
The correct answer is: Be(OH)2 and BeCl2 ; respectively
Be2C + 4H2O →  2 Be(OH)2 + CH4
Thus, 'X' is Be(OH)2.

Next, X reacts with HCl to form:
Be(OH)2 + 2HCl →  BeCl2 + 2H2O
Thus, 'Y' is BeCl2.

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