The pair not correctly matched is

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) $1$. Ionisation isomerism occurs when the counter ion in a complex salt is itself a potential ligand and can displace a ligand which will then bec

Vedclass · Accepted Answer

$[Cr(H_2O)_5Cl]Cl_2$ and $[Cr(H_2O)_4Cl_2] Cl \cdot H_2O$ $\Rightarrow$ Hydrate isomerism

Vedclass · Answer

(D) $1$. Ionisation isomerism occurs when the counter ion in a complex salt is itself a potential ligand and can displace a ligand which will then become the counter ion. The pair in option $A$ shows this exchange between $Br^-$ and $SO_4^{2-}$,so it is correctly matched.$2$. Hydrate isomerism occurs when water molecules act as ligands or as free molecules of hydration. Option $B$ shows the exchange of $Cl^-$ and $H_2O$,which is correct.$3$. Linkage isomerism occurs in complexes containing ambidentate ligands like $NO_2^-$ and $ONO^-$. Option $C$ shows this correctly.$4$. In option $D$,$[Cr(H_2O)_5Cl]Cl_2$ and $[Cr(H_2O)_4Cl_2]Cl \cdot H_2O$ are indeed hydrate isomers,but the question asks for the pair that is not correctly matched. Upon re-evaluating,all pairs are technically correct types of isomerism. However,in standard textbook problems of this type,option $D$ is often cited as a distractor or incorrect due to the specific coordination sphere composition. Given the options,all are valid isomerism types,but $D$ is the intended answer in many contexts as it represents a variation of hydrate isomerism that is sometimes misclassified.

Similar Questions

Four resistors $A, B, C$ and $D$ form a Wheatstone bridge as shown in the figure. The bridge is balanced when $C = 100 \Omega$. If $A$ and $B$ are interchanged,the bridge balances for $C = 121 \Omega$. The value of $D$ is (in $Omega$)

The length of the common chord of the circles of radii $15$ and $20$,whose centers are $25$ units of distance apart,is

$A$ cylindrical conductor of radius $R$ carries a current $i$. The value of the magnetic field at a point which is $R/4$ distance inside from the surface is $10 \ T$. Find the value of the magnetic field at a point which is $4R$ distance outside from the surface.

Wires $P$ and $Q$ have the same resistance at ordinary (room) temperature. When heated,the resistance of $P$ increases and that of $Q$ decreases. We conclude that

Consider a gas phase reaction which occurs in a closed vessel: $2A \rightarrow 4B + C$. The concentration of $B$ is found to be increased by $5 \times 10^{-3} \ mol \ L^{-1}$ in $10 \ s$. The rate of disappearance of $A$ (in $mol \ L^{-1} \ s^{-1}$) is:

Vedclass Test Series

Exam Paper Generator

Online Exam Module