Trend in Properties of First Row Transition Metals

Where does silver nitrate stored?

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

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

Assertion: Transition metals and their complexes show catalytic activity.

Reason: The activation energy of a reaction is lowered by the catalyst.

Write chemical equation for the following reaction:
Disproportionation of Mn $\left(\mathrm{VI}\right)$ in acidic solution.

Identify the following:
Transition metal of $3\mathrm{d}$ series that exhibits the maximum number of oxidation states.

 What is meant by disproportionation of oxidation state. Give one example.

Assign a reason for the following observation:
${\mathrm{Mn}}^{2+}$ compounds are more stable than ${\mathrm{Fe}}^{2+}$ compounds towards oxidation to their $+3$ state.

Which of the following statement about transition elements is incorrect?

Formation of interstitial compounds makes the transition metal

Which metal has highest density?

Which of the following ion is colourless in aqueous solution?

Which element does not show variable oxidation state?

Which alloy is generally used in making bullets, shells and lighter flints? What is its composition? With which other element It is generally alloyed and why?

Which element is generally used in the X-ray tube for production of X-rays and why?

Which one of the followings would feel attraction when placed in magnetic field:

${\mathrm{Co}}^{2+}, {\mathrm{Ag}}^{+}, {\mathrm{Ti}}^{4+}, {\mathrm{Zn}}^{2+}$

The colour of gemstone emerald is due to presence of

Which of the following statements about interstitial compounds is NOT CORRECT?