MCQ
Which of the following pair cannot be distinguished by Tollen's reagent
- A$CH_3COCH_3, PhCHO$
- B$HCOOH, CH_3COCH_3$
- ✓$CH_3CHO, PhCH_2CHO$
- D$PhCOCH_3, HCHO$
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| List-I (Transition metal ion) | List-II (Spin only magnetic moment (B.M.)) |
| (A) $Ti ^{3+}$ | (I) 3.87 |
| (B) $V ^{2+}$ | (II) 0.00 |
| (C) $Ni ^{2+}$ | (III) 1.73 |
| (D) $Sc ^{3+}$ | (IV) 2.84 |
According the Werner's theory.
$(1)$ Ligands are connected to the metal ions by covalent bonds.
$(2)$ Secondary valencies have directional properties
$(3)$ Secondary valencies are non-ionisable
Of these statements :
