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

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - p -Block elements - ll4 Marks
MCQ
Which of the following gives layer test ?
  • A
    $I^-$
  • ✓
    $Br^-$
  • C
    $NO_3^-$
  • D
    Both $(A)$ and $(B)$
✓

Answer

Correct option: B.
$Br^-$
b
Boiling point of $HF$ is highest due to $H$-bonding. For other halogen acids boiling point increase in the order $HCl \,< \,HBr \,< \,HI$. Therefore, most volatile (with lowest boiling point) is $HCl$.

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