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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 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
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?
The IUPAC name of $[Co(NH_3)_3ClBrNO_2]$ will be:
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 'spin only' magnetic moments of $[CoF_6]^{3-}$ and $[Co(C_2O_4)_3]^{3-}$ respectively, are:
$d\pi - p\pi$ bond is present in:
Arrange the following hydrides in the order of decreasing bond angle: (A) SbH$$_3$$ (B) AsH$$_3$$ (C) PH$$_3$$ (D) NH$$_3$$
Match List-I with List-II
Jahn-Teller effect is not observed in high spin complexes of:
The name of complex ion, $[Fe(CN)_6]^{3-}$ is :
Choose the compound which has a maximum bond angle at nitrogen among the following:
Match the complexes from List-I with their corresponding type of isomerism from List-II: **List-I (Complex)** (A) $[Co(NH_3)_5(NO_2)]Cl_2$ (B) $[Co(NH_3)_5(SO_4)]Br$ (C) $[Co(NH_3)_6][Cr(CN)_6]$ (D) $[Co(H_2O)_6]Cl_3$ **List-II (Type of isomerism)** (I) Solvate isomerism (II) Linkage isomerism (III) Ionization isomerism (IV) Coordination isomerism Choose the correct option:
Match List-I with List-II. List-I: A. Coke, B. Diamond, C. Fullerene, D. Graphite. List-II: I. Carbon atoms are $sp^3$ hybridised, II. Used as a dry lubricant, III. Used as a reducing agent, IV. Cage like molecules. Choose the correct answer from the options given below:
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R: Assertion A: Metallic sodium dissolves in liquid ammonia giving a deep blue solution, which is paramagnetic. Reason R: The deep blue solution is due to the formation of amide. In the light of the above statements, choose the correct answer from the options given below: