The observed discontinuity in the ionisa...

The observed discontinuity in the ionisation enthalpies between Al and Ga and between In and TI are due to

A

poor shielding of d and f electrons to compensate the increase in nuclear charge

B

High screening effect of d and f electrons

C

Sudden increase in size of Ga and TI

D

Marginal increase in electronegativity of elements from Al to Tl

Text Solution

Verified by Experts

Promotional Banner

Promotional Banner

Topper's Solved these Questions

TEST 7
AAKASH INSTITUTE|Exercise Exercise|49 Videos
Test-12
AAKASH INSTITUTE|Exercise Exercise|30 Videos

AAKASH INSTITUTE-TEST 9-EXAMPLE

Which of the following is a pair of peroxy compounds?
Text Solution
|
Phosphine can be prepared by the reaction of
Text Solution
|
Which of the following complexs is not correctly matched with hybridiz...
Text Solution
|
Which is not true for the complex [Co(en)2Cl2]Cl?
Text Solution
|
Which of the following is an evidence of cyclic structure of glucose?
Text Solution
|
Benzamide on treatment with Br2 and alkali gives
Text Solution
|
Observe the following compounds (A) CH3CH2CHO (B) CH3COCH3 (C) Ph-C...
Text Solution
|
Which of the following reaction mixtures does not produce 1^circ alcoh...
Text Solution
|
Which of the following is an achiral compound?
Text Solution
|
Correct reactivity order of alkyl halides towards SN2 reaction is
Text Solution
|
Among the following , greenhouse gases are CO2.CH4.CF2Cl2.H2O,N2O,O3...
Text Solution
|
Sodium salt of which acid will be needed for the preparation of propan...
Text Solution
|
The observed discontinuity in the ionisation enthalpies between Al and...
Text Solution
|
The correct incresing order of oxidation state of Cl is
Text Solution
|
The pair of species having paramagnetic nature and same bond order is
Text Solution
|
Which of the following does not follow EAN rule?
Text Solution
|