General Properties of d-Block Elements

The correct order of magnetic moments (spin only values in B.M.) among the species involved is

Where does silver nitrate stored?

Which of the following statements are INCORRECT?

A. All the transition metals except scandium form $\mathrm{MO}$ oxides which are ionic.
B. The highest oxidation number corresponding to the group number in transition metal oxides is attained in ${\mathrm{Sc}}_2{\mathrm{O}}_3$ to ${\mathrm{Mn}}_2{\mathrm{O}}_7$ .
C. Basic character increases from ${\mathrm{V}}_2{\mathrm{O}}_3 \mathrm{to} {\mathrm{V}}_2{\mathrm{O}}_4 \mathrm{to} {\mathrm{V}}_2{\mathrm{O}}_5$.
D. ${\mathrm{V}}_2{\mathrm{O}}_4$ dissolves in acids to give ${\mathrm{VO}}_4^{-3}$ salts.
E. $\mathrm{CrO}$ is basic but ${\mathrm{Cr}}_2{\mathrm{O}}_3$ is amphoteric.

Choose the correct answer from the options given below:

The stability of ${\mathrm{Cu}}^{2+}$ is more than ${\mathrm{Cu}}^{+}$ salts in aqueous solution due to -

For a metal ion, the calculated magnetic moment is $4.90 \mathrm{BM}$. This metal ion has _______ number of unpaired electrons

Which of the following statements are correct?

(A) The ${\mathrm{M}}^{3+}/{\mathrm{M}}^{2+}$ reduction potential for iron is greater than manganese.

(B) The higher oxidation states of first row d-block elements get stabilized by oxide ion

(C) Aqueous solution of ${\mathrm{Cr}}^{2+}$ can liberate hydrogen from dilute acid

(D) Magnetic moment of ${\mathrm{V}}^{2+}$ is observed between $4.4-5.2 \mathrm{BM}$

Choose the correct answer from the options given below:

Which halogen is known to cause the reaction given below?

Consider the reaction:

${\mathrm{Cu}}^{2+}+{\mathrm{X}}^{-}\to {\mathrm{Cu}}_2{\mathrm{X}}_2+{\mathrm{X}}_2$

Find the product ${\mathrm{X}}_2$, that formed predominantly.

${\mathrm{Sc}}^{+3}$ is diamagnetic in nature give reason?

The atomic number of an element is $90$. Is this element diamagnetic or paramagnetic

Why manganese have lower boilling point than chromium?

The graph below shows the observed standard electrode potential of some transition elements.

Which of the following reactions can be predicted based on the graph above?

$\mathrm{Nb}$ belong to $5^{\mathrm{th}}$ period and while $\mathrm{Ta}$ belong to $6^{\mathrm{th}}$ period. Which one is correct.

The melting point of ${\mathrm{Mn}}_4\mathrm{N}$ is 

Among the 3d-transition series, the $\mathrm{IE}$

The magnetic moment of ${\mathrm{Cr}}^{3+}$ is similar to

Statement-1: ${\mathrm{Fe}}^{3+}$ salts are less stable than ${\mathrm{Fe}}^{2+}$ salts.

Statement-2: ${\mathrm{Fe}}^{3+}$ ions are formed by loss of $\mathrm{s}$ and $\mathrm{d}$ electrons

All $\mathrm{Cu}\left(\mathrm{II}\right)$ halides are known, except the jodide, the reason for it is that

What will be the value of $\mathrm{x}$ in ${\mathrm{Fe}}^{\mathrm{x}+}$, if the magnetic moment $\mathrm{\mu }=\sqrt{24}\mathrm{BM}$?

Assertion: In general, transition metals have high melting points.

Reason: More number of electrons from '$\left(\mathrm{n}-1\right)\mathrm{d}$' and '$\mathrm{ns}$' are involved in interatomic metallic bonding.

The correct option among the following is