Electronic Configuration in Hindi

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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