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STD 12 - p -Block elements - ll — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 - p -Block elements - ll4 Marks
MCQ
Bleaching powder loses its power on keeping for a long time because
  • A
    It changes into calcium hypochlorate
  • B
    It changes into calcium chloride and calcium hydroxide
  • C
    It absorbs moisture
  • ✓
    It changes into calcium chloride and calcium chlorate
✓

Answer

Correct option: D.
It changes into calcium chloride and calcium chlorate
d
The compound which forms a dative bond with ammonia is $BCl _3$ due to presence of a vacant orbital in Boron of $BCl _3$.

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