MCQ
Which is heaviest among the following
  • A
    Iron
  • B
    Copper
  • Gold
  • D
    Silver

Answer

Correct option: C.
Gold
c
(c)Gold; $([Xe]\,5{d^{10}}6{s^1})$.

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

In the reaction $\begin{array}{*{20}{c}}
  {\begin{array}{*{20}{c}}
  {C{H_2}OH} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}} \\ 
  {CHOH\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_2}OH} 
\end{array}$ $+$  $\begin{array}{*{20}{c}}
  {COOH} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {COOH} 
\end{array}$ $\xrightarrow{{110\,{\,^o}C}}\,(A)$  product $(A)$ will be
Which of the following represents the most oxidized form of hydrocarbon
What is a likely product of the reaction shown ? 
Which one of the following is used to remove most of plutonium from spent nuclear fuel?
The $IUPAC$ name of  is
Match $List-I$ with $List-II$. 

$List-I$ $List-II$
$(A)$ $Cd ( s )+2 Ni ( OH )_{3}( s ) \rightarrow CdO ( s )+2 Ni ( OH )_{2}( s )+ H _{2} O (l)$ $(I)$ Primary battery
$(B)$  $Zn ( Hg )+ HgO ( s ) \rightarrow ZnO ( s )+ Hg (l)$ $(II)$ Discharging of secondary battery
$(C)$ $2 PbSO _{4}( s )+2 H _{2} O (l) \rightarrow Pb ( s )+ PbO _{2}( s )+ 2 H _{2} SO _{4}( aq )$ $(III)$ Fuel cell 
$(D)$ $2 H _{2}( g )+ O _{2}( g ) \quad \rightarrow 2 H _{2} O (l)$ $(IV)$ Charging of secondary battery

Choose the correct answer from the options given below.

$2\, mole$ of $N_2H_4$ loses $16\, mole$ of electron is being converted to a new compound $X$. Assuming that all of the $N$ appears in the new compound. What is the oxidation state of $'N'$ in $X$ ?
In a mole of water vapour at $STP$, the volume actually occupied or taken by the molecules (i.e., Avogadro’s No. $ \times $ Volume of one molecule) is
A compound $A $ has a molecular formula ${C_2}C{l_3}OH.$ It reduces Fehling solution and on oxidation gives a monocarboxylic acid $(B)$ . $A$   is obtained by action of chlorine on ethyl alcohol. $ A $ is
Which one of the following compounds has bond angle as nearly ${90^o}$