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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:
From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in
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:
Which of the following statements is correct?
Select the correctly written scientific name of Mango which was first described by Carolus Linnaeus
Match the coordination number and type of hybridisation with the distribution of hybrid orbitals in space based on Valence Bond Theory. **List I (Coordination number and type of hybridisation):** (a) 4, $sp^{3}$ (b) 4, $dsp^{2}$ (c) 5, $sp^{3}d$ (d) 6, $d^{2}sp^{3}$ **List II (Distribution of hybrid orbitals in space):** (i) Trigonal bipyramidal (ii) Octahedral (iii) Tetrahedral (iv) Square planar
The d-electron configurations of $Cr^{2+}$, $Mn^{2+}$, $Fe^{2+}$ and $Co^{2+}$ are $d^4$, $d^5$, $d^6$ and $d^7$ respectively. Which one of the following will exhibit minimum paramagnetic behaviour? (At. no. Cr = 24, Mn = 25, Fe = 26, Co = 27)
The correct order of increasing bond angles in the following species is:
Which one of the following statements is true about the structure of $CO_3^{2-}$ ion?
Given below are two statements: **Statement I:** Both $[Co(NH_3)_6]^{3+}$ and $[CoF_6]^{3-}$ complexes are octahedral but differ in their magnetic behaviour. **Statement II:** $[Co(NH_3)_6]^{3+}$ is diamagnetic whereas $[CoF_6]^{3-}$ is paramagnetic. In the light of the above statements, choose the correct answer from the options given below:
Among the following, the compound that is electron deficient is:
Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?
Of the following complex ions, the diamagnetic complex is:
The crystal field stabilisation energy (CFSE) and the 'spin only' magnetic moment of $[FeF_6]^{3-}$ ion respectively, are: