Inorganic Chemistry Questions

The IUPAC name for the complex $[\text{Co}({\text{NO}}_2)({\text{NH}}_3{)}_5]{\text{Cl}}_2$ is:

Which of the following chemical reactions depicts the oxidizing behaviour of ${\text{H}}_2{\text{SO}}_4$?

Identify the incorrect statement among the following:

How many $\text{EDTA}$ (ethylenediaminetetraacetic acid) molecules are required to make an octahedral complex with a ${\text{Ca}}^{2+}$ ion?

Lanthanoid contraction is caused due to:

Which of these statements regarding the periodic trends of chemical reactivity of the alkali metals and the halogens is correct?

The “spin-only” magnetic moment [in units of Bohr magneton, (${\mu }_B$)] of ${\text{Ni}}^{2+}$ in aqueous solution would be (Atomic number of $\text{Ni}=28$):

The decreasing values of bond angles from ${\text{NH}}_3$ ($106^{\circ }$) to ${\text{SbH}}_3$ ($101^{\circ }$) down group-15 of the periodic table is due to:

Nickel ($Z=28$) combines with a uninegative monodentate ligand ${\text{X}}^{-}$ to form a paramagnetic complex $[{\text{NiX}}_4{]}^{2-}$. The number of unpaired electron(s) in the nickel and geometry of this complex ion are, respectively:

What products are expected from the disproportionation reaction of hypochlorous acid ($\text{HOCl}$)?

In which of the following molecules/ions are all the bonds not equal?

A metal, M forms chlorides in its $+2$ and $+4$ oxidation states. Which of the following statements about these chlorides is correct?

In the transformation of ${}_{92}^{238}\text{U}$ to ${}_{92}^{234}\text{U}$, if one emission is an $\alpha$ -particle, what should be the other emission(s)?

In ${\text{Fe(CO)}}_5$, the $\text{Fe}-\text{C}$ bond possesses:

Among the following the maximum covalent character is shown by the compound:

Boron cannot form which one of the following anions?

Which of the following facts about the complex $[\text{Cr}({\text{NH}}_3{)}_6]{\text{Cl}}_3$ is wrong?

Which one of the following orders represents the correct sequence of the increasing basic nature of the given oxides?

The magnetic moment (spin only) of $[{\text{NiCl}}_4{]}^{2-}$ is:

The hybridization of orbitals of N atom in ${\text{NO}}_3^{-}$, ${\text{NO}}_2^{+}$ and ${\text{NH}}_4^{+}$ are respectively:

In context of the lanthanoids, which of the following statements is not correct?

Which of the following statement is wrong?

The outer electron configuration of Gd (Atomic No: $64$) is:

Which of the following statements regarding sulphur is incorrect?

The structure of ${\text{IF}}_7$ is:

Which of the following pairs represents linkage isomers?

The bond dissociation energy of $\text{B}-\text{F}$ in ${\text{BF}}_3$ is $646{\text{kJ mol}}^{-1}$ whereas that of $\text{C}-\text{F}$ in ${\text{CF}}_4$ is $515{\text{kJ mol}}^{-1}$. The correct reason for higher $\text{B}-\text{F}$ bond dissociation energy as compared to that of $\text{C}-\text{F}$ is:

The set representing the correct order of ionic radius is:

In context with the transition elements, which of the following statements is incorrect?

Using MO theory predict which of the following species has the shortest bond length?

Which one of the following reactions of Xenon compounds is not feasible?

Which of the following has an optical isomer?

In which of the following arrangements, the sequence is not strictly according to the property written against it?

Knowing that the Chemistry of lanthanoids (Ln) is dominated by its $+3$ oxidation state, which of the following statements is incorrect?

In context with the industrial preparation of hydrogen from water gas ($\text{CO}+{\text{H}}_2$), which of the following is the correct statement?

Four species are listed below:(i) ${\text{HCO}}_3^{-}$ (ii) ${\text{H}}_3{\text{O}}^{+}$ (iii) ${\text{HSO}}_4^{-}$ (iv) ${\text{HSO}}_3\text{F}$ Which one of the following is the correct sequence of their acid strength?