Q. Be2C + 4 H2O 2 X + CH4

X + 2 HCl Y

'X' and 'Y' formed in the above two reactions are -

 1889  244 NTA AbhyasNTA Abhyas 2020The s-Block Elements Report Error

Solution:

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.