Reason of lanthanoid contraction is...

Reason of lanthanoid contraction is

Negligible screening effect off orbitals

Increasing nuclear charge

Decreasing nuclear charge

Decreasing screening effect

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

ALCOHOLS, PHENOLS AND ETHERS
AAKASH INSTITUTE ENGLISH|Exercise Try yourself|5 Videos
ALCOHOLS, PHENOLS AND ETHERS
AAKASH INSTITUTE ENGLISH|Exercise Exercise|40 Videos
ALCOHOLS, PHENOLS AND ETHERS
AAKASH INSTITUTE ENGLISH|Exercise Try Yourself|5 Videos

Similar Questions

Explore conceptually related problems

Assertion : 4d and 5d series elements have nearly same atomic radius. Reason : Lanthanoid contraction.

The effect of lanthanoid contraction in the lanthanoid series of elements by and large means :

State a consequence of lanthanoid contraction shown by transition elements.

On the basis of lanthanoid contraction, explain the following: (i) Nature of bonding in La_(2)O_(3) and Lu_(2)O_(3) . (ii) Trends in the stability of oxo salts of lanthanoids from La to Lu. (iii) Stability of the complexes of lanthanoids. (iv) Radii of 4d and 5d block elements. (v) Trends in acidic character of lanthanoids oxides.

What is lanthanoid contraction? What are the consequences of lanthanoid contraction?

Due to lanthanoid contraction, basic strength of oxides and hydroxides of lanthanoids increases with ul"increase in atomic number."

Due to lanthanoid contraction which of the following properties is not expected to be similar in the sme vertical columns of second and third row transition elements ?

What is lanthanoid contraction? What are the consequences of lanthanold contraction?

AAKASH INSTITUTE ENGLISH- ALCOHOLS, PHENOLS AND ETHERS-Assignment Section -D (Assertion - reason type question)

Reason of lanthanoid contraction is
Text Solution
|
Assertion : Boiling point of p-nitrophenol is greater than that of o-n...
Text Solution
|
A : When C(2) H(5) - O- CH(3) is reacted with one mole of Hl then C(2...
Text Solution
|
A : When 3,3-dimethyl butan - 2 - ol is heated in presence of concentr...
Text Solution
|
A : In esterification reaction , HCOOH is the most reactive acid among...
Text Solution
|
A : Ethers can't be distilled upto dryness due to fear of explosion . ...
Text Solution
|
Phenol is less acidic than........... .
Text Solution
|
A : CH(3) - underset(O)underset(||)(C)-COOH gives haloform reaction ...
Text Solution
|
A : Diphenyl ether is prepared by Williamson synthesis . R : This...
Text Solution
|
A : Grignard's reagent is prepared in the presence of ether . R :...
Text Solution
|
A : CH(3) - underset(CH(3))underset(|)overset(CH(3))overset(|)(C)-CH=...
Text Solution
|
A : Two moles of Grignard reagent is consumed in the formation of ter...
Text Solution
|
A : bond angle in ether is slightly greater than normal tetrahedral an...
Text Solution
|
A : CH(3)-underset(CH(3))underset(|)overset(CH(3))overset(|)(C)-O-CH...
Text Solution
|
A : Ortho - cresol is weaker acidic than meta-cresol . R : It is d...
Text Solution
|
A : Among all ortho halophenol , fluorophenol is least acidic . R ...
Text Solution
|
A : In esterification reaction alcohol act as nucleophile . R : ...
Text Solution
|
A : Phenol is manufactured by Dow 's pocess. R : It involves the ...
Text Solution
|
A : Primary alcohol is prepared by the reaction of primary amine with ...
Text Solution
|
A : The reactivity order of alcohols is 1^(@) gt 2^(@) gt 3^(@) for ...
Text Solution
|
A : The dehydration of ethyl alcohol in presence of Al(2)O(3) at 633 ...
Text Solution
|