Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET
Exam
NEET
Subject
Chemistry
Chapter
p Block Elements (Group 13 & 14)

NEET · Chemistry · p Block Elements (Group 13 & 14)

What is the reason for the small increase in covalent radius from...

What is the reason for the small increase in covalent radius from Si to Pb?

Options

  1. AThe presence of completely filled d and f orbitals
  2. BThe absence of completely filled d and f orbitals
  3. CThe presence of completely filled s and p orbitals
  4. DThe increase in atomic number

Correct answer

A. The presence of completely filled d and f orbitals

Step-by-step solution

The small increase in radius from Si to Pb is due to the presence of completely filled d and f orbitals.
Practice p Block Elements (Group 13 & 14) on Quantrex Academy →

More from p Block Elements (Group 13 & 14)

Which of the following elements is in allotopic form in fullerene? MHT CET Medical 2026Identify the incorrect statement from the following : NEET 2026In potash alum, the ratio of K ^+ and SO _4^ 2- ions is NEET 2026Select the element (M) whose trihalides cannot be hydrolysed to produce an ion of the… NEET 2023Na_2 B_4 O_7 heat X+NaBO_2 in the above reaction the product " X " is : NEET 2022Match List-I with List-II : (List-I List-II (Compounds) (Molecular formula) (a) Borax (i)… NEET 2022Which of the following statement is not correct about diborane? NEET 2022Match the following and identify the correct option. (a) CO(g) + H _ 2 (g) (i) Mg ( HCO _… NEET 2020 Full p Block Elements (Group 13 & 14) list All NEET PYQs