MCQ
Which of the following complex represent maximum stability ?
- ✓$[Co(CN)_6]^{3-}$
- B$[Co(H_2O)_6]^{3+}$
- C$[Co(CN)_6]^{4-}$
- D$[Co(C_2O_4)_3]^{3-}$
✓
Answer
Correct option: A.
$[Co(CN)_6]^{3-}$
a
stability
strength of ligand $+ve$ charge
stability
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The reactions having very high values of energy of activation are generally $........$
→Elevation in boiling point was ${0.52\,^o}C$ when $6\,gm$ of a compound $X$ was dissolved in $100\,gm$ of water. Molecular weight of $X$ is $({K_b}$ for water is $0.52$ per $1000\,gm$ of water)
→$CH_3MgBr +$ $[Figure]$ $\xrightarrow{{{H_3}{O^ + }}}A\xrightarrow{{HBr}}$$B\xrightarrow{{Mg/ether}}C\mathop {\xrightarrow{{HCHO}}}\limits_{{H_3}{O^ + }} $$ D\xrightarrow{{HI}}E$
→$E$ is
Which of the following products is formed on boiling tin with an alkali solution
Which metal gives $NH_4 NO_3$ , when react with dilute $HNO_3$ acid?
→Product is obtained in the above reaction is
The pair(s) of coordination complexes/ions exhibiting the same kind of isomerism is(are)
→$(A)$ $\left[ Cr \left( NH _3\right)_5 Cl ^2 Cl _2\right.$ and $\left[ Cr \left( NH _3\right)_4 Cl _2\right) Cl$
$(B)$ $\left[ Co \left( NH _3\right)_4 Cl _2\right]^{+}$and $\left[ Pt \left( NH _3\right)_2\left( H _2 O \right) Cl \right]^{+}$
$(C)$ $\left[ CoBr _2 Cl _2\right]^{2-}$ and $\left[ PtBr _2 Cl _2\right]^{2-}$
$(D)$ $\left[ Pt \left( NH _3\right)_3\left( NO _3\right) Cl\right.$ and $\left[ Pt \left( NH _3\right)_3 Cl \right] Br$
Which one of the following statements is not true regarding $(+)$ lactose?
→The $2\,N$ aqueous solution of ${H_2}S{O_4}$ contains
→When the vapours of tertiary alcohol are passed through heated Cu or ZnO at 573 K , the product obtained is :