Download App

Classification of Elements and Periodicity in Properties — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryClassification of Elements and Periodicity in Properties1 Mark
MCQ
Which of the following elements can show covalency greater than 4?
  • A
    Be
  • B
    P
  • C
    S
  • D
    B
✓

Answer

  1. P
  2. S

Explanation:

P and S have d-orbitals in their valence shell and therefore, can accommodate more than 8. electrons in their respective valence shells. Hence they show covalency more than 4.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Classification of Elements and Periodicity in Properties→Classification of Elements and Periodicity in Properties — all question types→Chemistry STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

For the reaction$PC{l_5}(g) \to PC{l_3}(g) + C{l_2}(g)$
→
Calculate the enthalpy change on freezing of 1.0 mol of water at $10.0^{\circ} C$ to the ice at $-10.0^{\circ} C . \Delta_{\text {fus }} H =6.03 kJ$ $\operatorname{mol}^{-1}$ at $0^{\circ} C$.
a. $C _{ P }\left[ H _2 O ( l )\right]=75.3 Jmol ^{-1} K^{-1}$
b. $C _{ P }\left[ H _2 O ( s )\right]=36.8 Jmol ^{-1} K^{-1}$
→
An organic compound exhibits optical isomerism when
→
Which of the following has the highest melting point
→
If the velocity of an electron in $I^{st}$ orbit of $H$ atom is $V$, then what will be the velocity in $4^{th}$ orbit of $Be^{+3}$
→
The correct order of increasing bond length of $C - H, C - O, C - C$ and $C=C$ is
→
Which species has the maximum number of lone pair of electrons on the central atom?
→
Which one is an oxidising agent
→
One would expect proton to have very large
→
Which of the following molecules is (are) chiral ?
→