Which of the following pairs is not correctly matched - Vidyadip

MCQ

Which of the following pairs is not correctly matched

✓
Effective atomic number of $Pt$ in ${\left[ {PtC{l_6}} \right]^{2 - }} = 84$
B
Absorption peak for ${\left[ {C{r^{III}}{{(N{H_3})}_6}} \right]^{ + 3}} = 21680\,c{m^{ - 1}}$
C
Crystal field stabilization energy of ${d^2}$ in weak ligand field $ = ( - )0.8\,{\Delta _0}$
D
Example of weak ligand field for ${d^5}$ configuration $ = {\left[ {M{n^{II}}{F_6}} \right]^{ - 4}}$

✓

Answer

Correct option: A.

Effective atomic number of $Pt$ in ${\left[ {PtC{l_6}} \right]^{2 - }} = 84$

a
(a) $EAN$ of $ Pt $ in ${[PtC{l_6}]^{2 - }} = 80$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

The increasing order of $pK_b$ for the following compounds will be

Which of the following carbocation is least stable

$C{H_3} - Br + \begin{array}{*{20}{c}}
{\,\,\,\,\,C{H_3}} \\
| \\
{NaO - C - C{H_3}} \\
| \\
{\,\,\,\,\,\,C{H_3}}
\end{array} \to ?$

The carbonate which does not leave a residue on heating is

$50\, mL$ of $0.1\, M$ solution of a salt reacted with $25\, mL$ of $0.1\, M$ solution of sodium sulphite. The half reaction for the oxidation of sulphite ion is

$SO{{_{3}^{2-}}_{\left( aq. \right)}}+{{H}_{2}}{{O}_{\left( l \right)}}\to SO{{_{4}^{2-}}_{\left( aq. \right)}}+2{{H}^{+}}_{\left( aq. \right)}+2{{H}^{+}}_{\left( aq. \right)}+2{{e}^{-}}$

If the oxidation number of metal in the salt was $+3$, what would be the new oxidation number of metal?

Reaction of Grignard reagent, $C _{2} H _{5} MgBr$ with $C _{8} H _{8} O$ followed by hydrolysis gives compound $"A"$ which reacts instantly with Lucas reagent to give compound $B , C _{10} H _{13} Cl$.

The Compound $B$ is

Ethylidine dichloride can be prepared by the reaction of $HCl$ and

Which one of following compound is most reactive towards $SN^1$ reaction

Enthalpy change for a reaction does not depend upon

The quantity of charge required to obtain $1\, mole$ of aluminium from $Al_2O_3$ is ............ $\mathrm{F}$