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STD 11 - 3. Classification of elements and periodicity in properties — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 - 3. Classification of elements and periodicity in properties4 Marks
MCQ
Which of the following is correct ?
  • A
    Mercurous, Mercuric ion both are diamagnetic
  • B
    $SnCl_2 > SnCl_4$  (Melting point)
  • C
    Both  $(A)$  and  $(B)$  are correct
  • ✓
    In  $H_3O^+$ , only covalent bond are present
✓

Answer

Correct option: D.
In  $H_3O^+$ , only covalent bond are present
d
Aluminium hydroxide is amphoteric in nature, i.e., it has both basic and acidic properties.

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