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

Important Questions on Transition and Inner Transition Elements

EASY

Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Trend in Properties of First Row Transition Metals

Which element gives the maximum number of oxides?

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Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Trend in Properties of First Row Transition Metals

Although Zirconium belongs to $4\mathrm{d}$ transition series and Hafnium to $5\mathrm{d}$ transition series even then they show similar physical and chemical properties because _____.

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Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Trend in Properties of First Row Transition Metals

The INCORRECT statement is :

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Which of the following sets correctly represent the increasing paramagnetic property of the ion?

HARD

Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Trend in Properties of First Row Transition Metals

Maximum number of covalent bonds formed by $N$ and $P$ are -

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Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Trend in Properties of First Row Transition Metals

Which of the following sets correctly represents the increase in the paramagnetic property of the ions?

HARD

Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Trend in Properties of First Row Transition Metals

What are interstitial compounds?

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Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Trend in Properties of First Row Transition Metals

Which of the following is most soluble in water?

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Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Trend in Properties of First Row Transition Metals

The statement that is INCORRECT about the interstitial compounds is:

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Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Trend in Properties of First Row Transition Metals

For the following Assertion and Reason, the correct option is:
Assertion: For hydrogenation reactions, the catalytic activity increases from Group $5$ to Group $11$ metals with maximum activity shown by Group $7-9$ elements.
Reason: The reactants are most strongly adsorbed on group $7-9$ elements.

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Which element from the following forms colourless compounds in $+2$ oxidation state ?

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When heated in air, brown copper powder turns black. This black powder would turn brown again when heated with

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Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Trend in Properties of First Row Transition Metals

The correct sequence of the paramagnetic property of the metal ions is

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Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Trend in Properties of First Row Transition Metals

Which of the following metal ions is colourless?

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Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Trend in Properties of First Row Transition Metals

A copper coin was electroplated with $\mathrm{Zn}$ and then heated at high temperature until there is a change in colour. What will be the resulting colour?

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Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Trend in Properties of First Row Transition Metals

The major components of German Silver are :

HARD

Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Trend in Properties of First Row Transition Metals

The major components in "Gun Metal" are:

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Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Trend in Properties of First Row Transition Metals

Which of the following statement is wrong?

EASY

Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Trend in Properties of First Row Transition Metals

The colour and magnetic nature of manganate ion $\left({\mathrm{MnO}}_4^{2-}\right)$ is-

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Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Trend in Properties of First Row Transition Metals

Match the catalysts to the correct process.
 

	Catalyst		Process
A.	$\mathrm{T}\mathrm{i}\mathrm{C}{\mathrm{l}}_3$	i.	Wacker process
B.	$\mathrm{P}\mathrm{d}\mathrm{C}{\mathrm{l}}_2$	ii.	Ziegler – Natta polymerisation
C.	$\mathrm{C}\mathrm{u}\mathrm{C}{\mathrm{l}}_2$	iii.	Contact process`
D.	${\mathrm{V}}_2{\mathrm{O}}_5$	iv.	Deacon’s process