MCQ
Which of the following complexes show six coordination number
- A${[Zn{(CN)_4}]^{2 - }}$
- ✓${[Cr{({H_2}O)_6}]^{3 + }}$
- C${[Cu{(CN)_4}]^{2 - }}$
- D${[Ni{(N{H_3})_4}]^{2 + }}$
✓
Answer
Correct option: B.
${[Cr{({H_2}O)_6}]^{3 + }}$
b
(b) Co-ordination number is equal to total number of ligands in a complex.
(b) Co-ordination number is equal to total number of ligands in a complex.
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
When heating of a miscible solution begins, vapours formed will be:
The number of stereoisomers obtained by bromination of trans-$2$-butene is
→"A" obtained by Ostwald's method involving air oxidation of $NH _3$, upon further air oxidation produces "B". "B" on hydration forms an oxoacid of Nitrogen along with evolution of "A". The oxoacid also produces "A" and gives positive brown ring test
→Identify product $(A)$ & $(B)$ from the given product $P, Q, R$
→Match List $I$ (substances) with List $II$ (processes) employed in the manufacture of the substances and select the correct option.
→| List $I$ (Substances) | List $II$ (Processes |
| $(A)$ Sulphuric acid | $(i)$ Haber's process |
| $(B)$ Steel | $(ii)$ Bessemer's process |
| $(C)$ Sodium hydroxide | $(iii)$ Leblanc process |
| $(D)$ Ammonia | $(iv)$ Contact process |
$sp^2$ carbon is not present in
→Which shows optical isomerism ?
Of the following $0.10\, m$ aqueous solutions, which one will exhibit the largest freezing point depression ?
→A liquid mixture contain $10\ moles$ of $A$ $(P_A^0= 200\ mm\ Hg)$ and $10\ moles$ of $B$ $( P_B^0 = 100\ mm\ Hg )$. The vapour pressure over liquid mixture is $160\ mm\ Hg$. Which is correct statement ?
→$C{H_3} - CC{l_3}\xrightarrow[{(2)\,{H^ \oplus }}]{{(1)\,KOH\left( {aq.} \right)}}P\xrightarrow[{(2)\,\Delta }]{{(1)\,Ca{{\left( {OH} \right)}_2}}}Q;\,Q$ is
→