General Properties of d-Block Elements

IMPORTANT

General Properties of d-Block Elements: Overview

This topic covers concepts, such as, Physical Properties of d-Block Elements, Lattice Structure of d-Block Elements, Colours of First Row Transition Metals & Lanthanoid Contraction etc.

Important Questions on General Properties of d-Block Elements

HARD
IMPORTANT

Which of the following statements is/are true:

(i) The third ionization enthalpy of manganese  (Z=25)  is exceptionally low.

(ii) Cr2+ is stronger reducing agent than Fe2+.

MEDIUM
IMPORTANT

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

HARD
IMPORTANT

Which one of the following is an amphoteric oxide?

MEDIUM
IMPORTANT

The oxidising ability of the given anions follows the order

MEDIUM
IMPORTANT

Which of the following compounds is expected to be colored?

EASY
IMPORTANT

Which of the following statements holds true for Cu(I) and Cu(II) complexes ?

HARD
IMPORTANT

Which of the following are the transition metal ions responsible for colour in ruby and emerald respectively?

EASY
IMPORTANT

Find the metallic and ferromagnetic substance.

EASY
IMPORTANT

The melting point of copper is high because:

EASY
IMPORTANT

Which out of the following can act as a best reducing agent?

EASY
IMPORTANT

The colour and magnetic nature of manganate ion MnO42- is-

EASY
IMPORTANT

Which forms interstitial compounds?

MEDIUM
IMPORTANT

The less stable oxidation states of Cr are

EASY
IMPORTANT

Which of the following is the most suitable description of transition elements?

HARD
IMPORTANT

How many of the following reactions are disproportionation reactions?

(i) Cu+Cu2++Cu
(ii) 3MnO4-+4H+2MnO4-+MnO2+2H2O
(iii) 2KMnO4K2MnO4+MnO2+O2
(iv) 2MnO4-+3Mn2++2H2O5MnO2+4H+

MEDIUM
IMPORTANT

Which of the following represents the incorrect order of property mentioned?

EASY
IMPORTANT

An element of 3d-transition series shows two oxidation states x and y differing by two units. Then compounds in oxidation state

MEDIUM
IMPORTANT

Which of the following statements is incorrect?

HARD
IMPORTANT

Which of the following compound is expected to show similar magnetic behavior?

(Atomic no. of Fe is 26, Cu is 29, V is 23, Mn is 25)

EASY
IMPORTANT

The spin only magnetic moment of a divalent ion Cu2+ in aqueous solution (atomic number 29) is ___________BM.

Round off and give answer to the nearest integer value.