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

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry3. Classification of elements and periodicity in properties1 Mark
MCQ
Electron affinity of 
$(A)$ Carbon is greater than fluorine
$(B)$ Sulphur is lesser than fluorine
$(C)$ Iodine is higher than bromine
$(D)$ Chlorine is greater than sulphur
Option
  • A
    $FFTF$
  • B
    $TTFF$
  • ✓
    $FTFT$
  • D
    $TFTF$
✓

Answer

Correct option: C.
$FTFT$
c
$\mathrm{EA} \propto \mathrm{z}_{\mathrm{eff}}-$ ln a period

$\mathrm{E} \mathrm{A} \propto \frac{1}{\mathrm{size}}-$ ln a group

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