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Type of isomerism exhibited by compounds $[Cr(H_2O)_6]Cl_3$, $[Cr(H_2O)_5Cl]Cl_2 \cdot H_2O$, $[Cr(H_2O)_4Cl_2]Cl \cdot 2H_2O$ and the value of coordination number (CN) of central metal ion in all these compounds, respectively, is:
The crystal field stabilization energy (CFSE) for $[CoCl_6]^{4-}$ is $18000 \text{ cm}^{-1}$. The CFSE for $[CoCl_4]^{2-}$ will be:
Out of $TiF_6^{2-}$, $CoF_6^{3-}$, $Cu_2Cl_2$ and $NiCl_4^{2-}$ (Z of Ti = 22, Co = 27, Cu = 29, Ni = 28), the colourless species are:
Intramolecular hydrogen bonding is present in:
The correct shape and hybridisation of BrF$_5$ is:
Match the complex ions in List-I with their corresponding hybridization in List-II. **List-I (Complex ion)** (A) $[Ni(CN)_4]^{2-}$ (B) $[CoF_6]^{3-}$ (C) $[Co(C_2O_4)_3]^{3-}$ (D) $[NiCl_4]^{2-}$ **List-II (Hybridisation)** (I) $sp^3$ (II) $d^2sp^3$ (III) $sp^3d^2$ (IV) $dsp^2$ Choose the correct answer from the options given below:
The correct order of C-O bond length among CO, $CO_3^{2-}$, and $CO_2$ is:
The hybridization involved in the complex $[Ni(CN)_4]^{2-}$ is: (Atomic number of Ni = 28)
Which of the following complexes has the highest paramagnetic behaviour? (where gly = glycine, en = ethylenediamine, ox = oxalate ion and bpy = bipyridyl moieties) (Atomic numbers: Ti = 22, V = 23, Fe = 26, Co = 27)
Match the compounds of Xe in Column I with the molecular structure in Column II. Column-I (a) $XeF_{2}$ (b) $XeF_{4}$ (c) $XeO_{3}$ (d) $XeOF_{4}$ Column-II (i) Square planar (ii) Linear (iii) Square pyramidal (iv) Pyramidal
A red precipitate is obtained when an ethanol solution of dimethylglyoxime is added to ammoniacal Ni(II). Which of the following statements is not true?
Urea reacts with water to form A which will decompose to form B. B when passed through $Cu^{2+}(aq)$, deep blue colour solution C is formed. What is the formula of C from the following?
Which of the following has the longest C—O bond length? (Free C—O bond length in CO is 1.128 Å)
The IUPAC name of $[Co(NH_3)_3ClBrNO_2]$ will be:
A low spin complex of $d^6$-cation in an octahedral field will have the following energy: ($\Delta_0$ = Crystal field splitting energy in an octahedral field, $P$ = Electron pairing energy)
A molecule/ion among the following species that does not exist under normal conditions is:
The coordination compound that will give four isomers is:
Considering $H_2O$ as a weak field ligand, the number of unpaired electrons in $[Mn(H_2O)_6]^{2+}$ will be: (At. no. of Mn = 25)
The correct order of spin-only magnetic moment for the given complexes is:
The correct 'spin only' magnetic moments of $[CoF_6]^{3-}$ and $[Co(C_2O_4)_3]^{3-}$ respectively, are: