Download App

3. Classification of elements and periodicity in properties — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry3. Classification of elements and periodicity in properties1 Mark
MCQ
The screening effect of $d$-electons is
  • A
    Equal to that of $p$-electrons
  • B
    More than that of $p$-electrons
  • ✓
    Less than $p$-electrons
  • D
    Same as $f$-electrons
✓

Answer

Correct option: C.
Less than $p$-electrons
c
$(c)$ Screening effect of $d$ and $f$ block elements is nearly same.

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 3. Classification of elements and periodicity in properties→3. 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

A liquid compound ($x$) can be purified by steam distillation only if it is
→
Which of the following form dimer by $H-$ bond
→
$aA \rightleftharpoons mB + nC,$ $\Delta H =  + x\,K.cal$ . If $m + n < a$ then conditions favouring forward reaction will be
→
$C _6 H _5 CH _2 OH$ and $C _6 H _5- O - CH _3$ are :
→
The most predominantly ionic compounds will be obtained from the combination of elements belonging to
→
For the process to occur under adiabatic conditions, the correct condition is:
→
Which of the following relations are correct?

$(A)$ $\Delta U = q + p \Delta V$

$(B)$ $\Delta G =\Delta H - T \Delta S$

$(C)$ $\Delta S =\frac{ q _{ rev }}{ T }$

$(D)$ $\Delta H =\Delta U -\Delta nRT$

Choose the most appropriate answer from the options given below :

→
The pair of molecules with different hybridisation but same shape
→
Correct order of Lewis Acidic strength?
→
Which of the following pairs of compound are not isomers ?
→