Home
Class 11
CHEMISTRY
Among the III A group elements, the diff...

Among the III A group elements, the difference in the atomic radius large in between

A

Aluminium and Boron

B

Gallium and Aluminium

C

Thallium and Indium

D

Gallium and Indium

Text Solution

Verified by Experts

The correct Answer is:
A
It is due to greater shielding effect of six p - electrons in Al. In boron, only two Is - electron show screening effect while in Al eight (two 2s, six 2p) valence electrons.
Promotional Banner

Topper's Solved these Questions

  • ELEMENTS OF BORON FAMILY

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE - I) LEVEL - II (ADVANCED)|30 Videos

  • ELEMENTS OF BORON FAMILY

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE - II) LEVEL - I (MAIN)|12 Videos

  • ELEMENTS OF BORON FAMILY

    AAKASH SERIES|Exercise PRACTICE EXERCISE|35 Videos

  • ELECTRONIC EFFECTS AND REACTION INTERMEDIATES

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL - II (PRACTICE SHEET ADVANCE)) (Integer Type Questions)|3 Videos

  • ELEMENTS OF CARBON FAMILY

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 3 (Recent AIPMT/NEET Questions) |10 Videos

Similar Questions

Explore conceptually related problems

Among the III A group elements, the difference in the atomic radius is large in between

Among the III A group elements, the difference in the atomic radius is large in between

Among the III A group elements, the difference in the atomic radius is large in between

Can we know the atomic radius of an element ?

III A group element with highest density is

Why do elements have different atomicities?

How does the atomic radius vary in a period of elements?