EASY

Earn 100

The $5 d$ series of transition metals have more frequent metal-metal bonding in their compounds than do the $3 d$ and $4 d$ metals. Explain.

Important Questions on The d- and f-Block Elements

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table

Which of the following statements is incorrect for pair of elements Zr - Hf?

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table

How many unpaired electrons are present in a

{Fe}^{2 +}

ion?

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table

What is the general electronic configuration of

d

-block elements?

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table

The electronic configuration of a transition element

X

+ 3

state is

[Ar] 3 d^{6} .

Its atomic number is ______

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table

What is the general outer electronic configuration of the coinage metals ?

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table

Identify the element for which electronic configuration in

+ 3

oxidation state is

[Ar] 3 d^{5} :

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table

The basic character of the transition metal monoxide follows the order

MEDIUM

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table

The electronic configuration of

Pt

(atomic number

78

) is

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table

In which of the following pairs, the outermost electronic configuration will be the same?

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table

Silver atom has completely filled

d

orbitals

(4 d^{10})

in its ground state. How can you say that it is a transition element?

MEDIUM

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table

Identify the correct statement(s) from the following:
i) There are four

d

-block series.
ii) Total d-block elements are

40

.
iii) Third d-block series starts with Lanthanum and ends with mercury.
iv) All the d-block members are metals and found in nature.

MEDIUM

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table

The most abundant transition metal in human body is

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table

The outer electronic configuration of Chromium

(Cr)

MEDIUM

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table

Number of electrons that Vanadium

(Z = 23)

has in p-orbitals is equal to:

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table

Match List-I with List-II and select the correct answer using the codes given below:

List-I		List-II
(A)	Electronic configuration of americium.	1.	Corrosive Sublimate
(B)	$BM$ of ${Sm}^{3 +}, {La}^{3 +}, {Gd}^{3 +}$	2.	$[Rn] 5 f^{7} s^{2}$
(C)	$TiC l_{4} \overset{H_{2} O}{\to}$ Amphoteric white solid	3.	$5.9, 0.0, 7.94$
(D)	${Hg}_{2} C l_{2} \overset{aqua - regia}{\to}$ Compound used in antiseptic and dressing skin	4.	${TiO}_{2}$