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Which of the following pairs of ions are isoelectronic and isostructural?
An example of a sigma bonded organometallic compound is:
Find the value of the angle of emergence from the prism. Refractive index of the glass is $\sqrt{3}$.
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:
Select the correct option based on the statements below: **Assertion (A):** The metal-carbon bond in metal carbonyls possesses both $\sigma$ and $\pi$ character. **Reason (R):** The ligand to metal bond is a $\pi$ bond and metal to ligand bond is a $\sigma$ bond.
Four diatomic species are listed below. Identify the correct order in which the bond order is increasing in them.
A species that does not exhibit paramagnetism is:
The correct shape and hybridisation of BrF$_5$ is:
Which of the following has the longest C—O bond length? (Free C—O bond length in CO is 1.128 Å)
Homoleptic complex from the following complexes is:
Which of the following has the longest C-O bond length? (Free C-O bond length in CO is 1.128 Å.)
The correct order of C-O bond length among CO, $CO_3^{2-}$, and $CO_2$ is:
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)
BF_{3} is planar and electron deficient compound. Hybridization and number of electrons around the central atom, respectively are :
The sum of coordination number and oxidation number of the metal M in the complex $[M(en)_2(C_2O_4)]Cl$ (where, en is ethylenediamine) is:
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?
The correct order of spin-only magnetic moment for the given complexes is:
A diatomic molecule, among the following species, that only has $\pi$ bonds according to the Molecular Orbital Theory (MOT) is:
It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield?
Predict the correct intermediate and product in the following reaction: $$ H_3C-C \equiv CH \xrightarrow{H_2O, H_2SO_4, HgSO_4} \text{Intermediate} \to \text{Product} $$