Electronic Configuration in Hindi. We covered all the Electronic Configuration in Hindi in this post for free so that you can practice well for the exam.
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Electronic Configuration Objective in Hindi for Students
The hardness of transition elements in comparison to alkali metals is due to
(A) Large atomic size
(B) Metallic bonding
(C) Covalent bonding
(D) High ionization energy
Option c - Covalent bonding
Which of the following constitutes a set of transition elements?
(A) Ti, Zr, Hf
(B) Cr, Mo, W
(C) Fe, Au, Ni
(D) All of these
Option d - All of these
Which of the following reagent does not contains d-block elements
(A) Breyer's reagent
(B) Fehling solution
(C) Grignard reagent
(D) Tollen's reagent
Option c - Grignard reagent
In which one of the following compounds the radius of chromium ion is the smallest
(A) K₂CRO4
(B) CrO2
(C) CrF3
(D) CrCl3
Option a - K₂CRO4
The oxidation state of Nickel in Ni(CO)4 is
(A) 4
(B) 2
(C) 1
(D) Zero
Option d - Zero
One of the characteristic properties of transition elements is
(A) Incomplete p-subshell
(B) Complete d-subshell
(C) Incomplete d-subshell
(D) Incomplete s-subshell
Option c - Incomplete d-subshell
The standard electrode potential of transition elements is
(A) Sufficiently negative
(B) Positive
(C) Zero
(D) None of these
Option a - Sufficiently negative
d-block elements generally form
(A) Covalent hydrides
(B) Metallic hydrides
(C) Interstitial hydrides
(D) Salt-like hydrides
Option c - Interstitial hydrides
Transition metals ions form interstitial compounds because
(A) Interstices are available in their crystal lattice
(B) They have empty d-orbitals
(C) They have a high value of ionic potential
(D) They show variable oxidation states
Option a - Interstices are available in their crystal lattice
Transition elements act as catalysts because
(A) Their melting points are higher
(B) Their I.P. values are higher
(C) They have a high density
(D) They can show variable oxidation states
Option d - They can show variable oxidation states
Variable oxidation state is a characteristic property of
(A) Lanthanides
(B) Transition metals
(C) Actinides
(D) All of these
Option d - All of these
Transition elements that exhibit anomalous electronic configuration in the first transition series are
(A) Cr and Fe
(B) Cu and Zn
(C) Fe and Cu
(D) Cr and Cu
Option d - Cr and Cu
The characteristic property not shown by transition elements is that
(A) They are soft metals
(B) They form complex compounds
(C) They form coloured compounds
(D) All the above
Option a - They are soft metals
Transition elements lie in the periodic table between
(A) the 3rd and 14th group
(B) the 1st and 13th group
(C) the 2nd and 12th group
(D) the 1st and 2nd group
Option c - the 2nd and 12th group
The reason for the formation of complex compounds by transition metals is
(A) Availability of empty d-orbitals
(B) Completely filled d-orbitals
(C) Paramagnetism
(D) Bigger size
Option a - Availability of empty d-orbitals
Which of the following is not a characteristic property of transition metal
(A) High enthalpy of atomization
(B) Formation of interstitial compounds
(C) Diamagnetism
(D) Variable oxidation state
Option c - Diamagnetism
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