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-p-Block elements - I — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry-p-Block elements - I1 Mark
MCQ
$'CH_4'$ gas is obtained in :-
$(a)$ Hydrolysis of $Al_4C_3$
$(b)$ Hydrolysis of $Be_2C$
$(c)$ Hydrolysis of $Mg_2C_3$
$(d)$ Hydrolysis of $CaC_2$
  • A
    only $a, b, c$
  • ✓
    only $a, b$
  • C
    only $a, c$
  • D
    only $b, c, d$
✓

Answer

Correct option: B.
only $a, b$
b
$A{l_4}{C_3} + 12H - OH \to 4Al{(OH)_3} + 3C{H_4}$

$B{e_2}C + 4H - OH \to 2Be{(OH)_2} + C{H_4}$

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