MCQ
The electronic configuration $1{s^2},2{s^2}{p^6},3{s^2}{p^6}{d^6}$ corresponds to
- A$M{n^{2 + }}$
- ✓$F{e^{2 + }}$
- C$Co$
- D$Ge$
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|
LIST $I$ (Compound) |
LIST $II$ (Uses) |
| $A$ Iodoform | $I$ Fire extinguisher |
| $B$ Carbon tetrachloride | $II$ Insecticide |
| $C$ $CFC$ | $III$ Antiseptic |
| $D$ $DDT$ | $IV$ Refrigerants |
Choose the correct answer from the options given below :
$I :$ form sets of compounds which display different oxidation states of the metal
$II :$ form coloured ions in solution
$III :$ burn vigorously in oxygen
$IV :$ act as catalyst