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
The $IE_1$ and $IE_2$ of three elements $A, B$ and $C$ are given as : ( $IE$ in $kJ/mol$ )

    $A$   $B$   $C$
  $IE_1$   $400$   $550$   $1150$
  $IE_2$   $2650$   $1070$   $2090$

Identify the element which represent a nonmetal.

  • A
    $A$
  • B
    $B$
  • C
    Both $A$ and $B$
  • ✓
    $C$
✓

Answer

Correct option: D.
$C$
d

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

Hydrochloric acid solutions $A$ and $ B$ have concentration of $0.5 \,N$ and $0.1 \,N$ respectively. The volume of solutions $A$ and $B$ required to make $2$ litres of $0.2\, N$ hydrochloric are
→
The structure of aluminium bromide is best represented as :
→
The pairs of bases in $DNA$ are held together by
→
If $\ce{N_b}$ is the number of electrons occupying bonding orbitals and $\ce{N_a},$ the number of electrons occupying the antibonding orbitals, then the molecule will be stable if :
→
In Lassaigne's test of nitrogen the reason behind blue colour is :
→
In the structure $\begin{array}{*{20}{c}}
  {C{H_3}\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {^1{H_3}C{ - ^2}C{ - ^3}C{H_2}{ - ^4}C{H_3}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_{3\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}} 
\end{array}$ Which one is quarternary carbon atom.......
→
Work done in vaporisation of one mole of water at $373\, K$ and the pressure of $1\, atm$ is approximately (for ideal gas)......$Joule$
→
Given are two statements one is labelled as Assertion $A$ and other is labelled as Reason $R$.

Assertion $A$ :Magnesium can reduce $Al _{2} O _{3}$ at a temperature below $1350^{\circ} C$, while above $1350^{\circ} C$ aluminium can reduce $MgO$.

Reason $R$ : The melting and boiling points of magnesium are lower than those of aluminium.

In light of the above statements. choose most appropriate answer from the options given below

→
For the change ${H_2}O(l) \to {H_2}O(g);\,P = 1\,atm$, $T = 373\,K$, the free energy change $\Delta G = 0$. This indicates that
→
In which of the following options the order of arrangement does not agree with the variation of property indicated against it ?
→