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p -Block elements - ll — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistryp -Block elements - ll1 Mark
MCQ
Holme signal can be given by the using
  • A
    $CaC_2 + CaCN_2$
  • ✓
    $CaC_2 + Ca_3P_2$
  • C
    $CaC_2 + CaCO_3$
  • D
    $Ca_3P_2 + CaCN_2$
✓

Answer

Correct option: B.
$CaC_2 + Ca_3P_2$
b
$\text{Ca}{{\text{C}}_{2}}+\text{C}{{\text{a}}_{3}}{{\text{P}}_{2}}\xrightarrow{{{H}_{2}}O}$ ${\text{Ca}}{({\text{OH}})_2} + \mathop {\boxed{{{\text{C}}_2}{{\text{H}}_2} + {\text{P}}{{\text{H}}_3}}}\limits^{Signal} $

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