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Why Titanium and Vanadium passive towards dilute non oxidising acids?

Important Questions on Transition and Inner Transition Elements

EASY
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements
What is Nessler’s reagent?
MEDIUM
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements
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.
EASY
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements
The third ionization enthalpy is minimum for:
EASY
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements
The basic character of the transition metal monoxide follows the order
EASY
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements
What are ‘d’ and ‘f’ block elements?
EASY
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements
Find the metallic and ferromagnetic substance.
EASY
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements
For the process Cug→Cu+g+e-, the electron is to be removed from ___________
MEDIUM
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements
The ionization energies of transition elements are
EASY
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements
Give two examples of group VIII elements.
HARD
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements
Why first ionisation enthalpy of Cr is lower than that of Zn?
MEDIUM
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements
The atomic number of Vanadium V, Chromium Cr, Manganese Mn and Iron Fe are, respectively, 23, 24, 25 and 26. Which one of these may be expected to have the highest second ionization enthalpy?
EASY
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements
The transition elements are more metallic than the representative elements because they have
MEDIUM
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements
The incorrect order is
EASY
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements
Predict the correct order of the metallic character among the following:
HARD
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements

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+.

EASY
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements
Cotyledons are also called-
HARD
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements
For d-block elements the first ionisation potential is of the order
MEDIUM
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements
Which of the following elements has the maximum first ionization potential ?
EASY
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements
On which of the following factors, stability of oxidation state of a cation in aqueous medium depends? 
EASY
Chemistry>Inorganic Chemistry>Transition and Inner Transition Elements>Occurrence,characteristics of transition elements
Among the following, which one has the highest third ionization enthalpy?