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4. d and f- block elements — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry4. d and f- block elements1 Mark
MCQ
An elements is in ${M^{3 + }}$ form. Its electronic configuration is $[Ar]3{d^1}$ the ion is
  • ✓
    $T{i^{3 + }}$
  • B
    $T{i^{4 + }}$
  • C
    $C{a^{2 + }}$
  • D
    $S{c^ + }$
✓

Answer

Correct option: A.
$T{i^{3 + }}$
a
(a)$(Ar)\,\,3{s^1} + 3 = Ti$, it means ${M^{3 + }}$ form $T{i^{3 + }}$ ion.

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