Download App

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
Which of the following statement is not correct
  • A
    Ionic mobality of $Na^+(aq)$ is greater than $Mg^{2+}(aq)$
  • ✓
    The $EA$ of $'F'$ atom is more than $'Cl'$ atom
  • C
    Second $IP$ of $'B'$ atom is greater than that of $'C'$ atom
  • D
    $IE$ of $O^-$ is less than that of $'O'$ atom
✓

Answer

Correct option: B.
The $EA$ of $'F'$ atom is more than $'Cl'$ atom
b

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→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

The value of $\Delta S$ for freezing of $10\,g$ of $H_2O(l)$ (enthalpy of fusion is $80 \, cal/g$) at $0\,^oC$ and $1\, atm$ pressure is.......$J/K$
→
Electrovalent compounds do not have
→
The first ionization enthalpy of $Na , Mg$ and $Si$, respectively, are: $496,737$ and $786\; kJ\; mol ^{-1}$. The first ionization enthalpy $( kJ\; mol ^{-1})$ of $Al$ is
→
The probability density plots of $1s$ and $2s$ orbitals are given in Fig :

The density of dots in a region represents the probability density of finding electrons in the region.
On the basis of above diagram which of the following statements is incorrect?
→
The relative atomic mass of naturally occurring chlorine is not a whole number. What is the reason for this ?
→
The number of geometrical isomers in case of a compound with the structure $C{H_3} - CH = CH - CH = CH - {C_2}{H_5}$ is
→
Amongst the given options, the compound$(s)$ in which all the atoms are in one plane in all the possible conformations (if any), is (are) $Image$
→
How many secondary carbon atoms does methyl cyclopropane have ?
→
Which of the following is not a reducing agent
→
Product of the above Friedel-Craft reaction is
→