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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
The incorrect order is 
  • ✓
    $N > P > As$ : Strength of $\pi -$ bond with oxygen atom
  • B
    $SiF_4 > SiCl_4 > SiBr_4 > Sil_4$ : Thermal stability
  • C
    $H_2S > H_2Se > H_2 Te$ : Arrhenious acid character
  • D
    $CaBr_2 > MgBr_2 > BeBr_2$ : Melting point
✓

Answer

Correct option: A.
$N > P > As$ : Strength of $\pi -$ bond with oxygen atom
a
A little more than $47\%$ of earth crust consists of oxygen. The more common rock constituents of earth's crust are nearly all oxides.

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