MCQ
The element with $Z = 120$ (not yet discovered) will be an/a
  • A
    Inner transition metal
  • Alkaline earth metal
  • C
    Alkali metal
  • D
    Transition metal

Answer

Correct option: B.
Alkaline earth metal
b
$[Og_{118}]\, 8s^2$ is configuration for $Z = 120$, where $Og$ is oganesson
As per the configuration it is in $II^{nd}$ group.

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

Similar questions

What is common name of following compound :-

$C{H_3} - \begin{array}{*{20}{c}}
  {\begin{array}{*{20}{c}}
  {C{H_3}} \\ 
  | 
\end{array}} \\ 
  C \\ 
  | \\ 
  {C{H_3}} 
\end{array} - C{H_2} - Cl$

The minimum energy that must be possessed by photons in order to produce the photoelectric effect with platinum metal is $....\,\times 10^{-19} \,J$

[Given: The threshold frequency of platinum is $1.3$ $\times 10^{15} \,s ^{-1}$ and $h =6.6 \times 10^{-34} \,J \,s$.]

What will be the $pH$ of a solution formed by mixing $40\,\,ml$ of $0.10\,\,M\,\,HCl$ with $10\,\,ml$ of $0.45\,\,M\,\,NaOH$
Which of the following doesn't exist
$\begin{array}{*{20}{c}}
  {{{(C{H_3})}_2}CH - C - N{H_2}\,\xrightarrow[{B{r_2}}]{{NaOH}}A\xrightarrow{{COC{l_2}}}B} \\ 
  {||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}$ $B$ is
The main product will be
In the given table, identify the incorrect option. The digit in box indicate the moles  of that substance

Reactant

$HIO_4$

consumed

$HCO_2H$

formed

$HCHO$

formed

$25\, mL$ of the given $HCl$ solution requires $30\, mL$ of $0.1\, M$ sodium carbonate solution. What is the volume of this $HCl$ solution required to titrate $30\, mL$ of $0.2\, M$ aqueous $NaOH$ solution? .............. $\mathrm{mL}$
$Pt ( s ) H _2( g )(1 bar )\left| H ^{+}( aq )(1 M )\right|\left| M ^{3+}( aq ), M ^{+}( aq )\right| Pt ( s )$

The $E _{\text {ceil }}$ for the given cell is $0.1115\,V$ at $298\,K$ when $\frac{\left[ M ^{+}( aq )\right]}{\left[ M ^{3+}( aq )\right]}=10^{ a }$

The value of a is

Given : $E _{ M ^{3+} / M ^{+}}=0.2\,V$

$\frac{2.303 RT }{ F }=0.059\,V$

Which one of the following reactions will not result in the formation of carbon-carbon bond?