MCQ
Identify the incorrect statement
  • A
    The $S-S-S$ bond angles in the $S_8$ and $S_6$ rings are the same
  • B
    Rhombic and monoclinic sulphur have $S_8$ molecules
  • $S_2$ is paramagnetic like oxygen
  • D
    $S_8$ ring has a crown shape

Answer

Correct option: C.
$S_2$ is paramagnetic like oxygen
c
$\begin{matrix}
   \begin{matrix}
   O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O  \\
   ||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||  \\
\end{matrix}  \\
   HO-S-O-O-S-OH  \\
   \,||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||  \\
   \,O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O  \\
\end{matrix}$  $+\,{{H}_{2}}O\,\to \,$  $\underset{(Sulphuric\,\,acid)}{\mathop{\begin{matrix}
   \begin{matrix}
   O  \\
   ||  \\
\end{matrix}  \\
   HO-S-OH  \\
   ||  \\
   O  \\ 
\end{matrix}}}\,$ $\underset{(Peroxomono\,-\,sulphuric\,\,acid)}{\mathop{+\begin{matrix}
   \begin{matrix}
   \,\,\,\,\,\,\,\,\,\,\,\,O  \\
   \,\,\,\,\,\,\,\,\,\,\,\,\,||  \\
\end{matrix}  \\
   H-O-O-S-O-H  \\
   \,\,\,\,\,\,\,\,\,\,\,\,\,||  \\
   \,\,\,\,\,\,\,\,\,\,\,\,\,O  \\
\end{matrix}}}$

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

Consider the oxy acids $HClO_{n }$ series, here value of $n$ is $1$ to $4$. Then incorrect statement regarding these oxy acids is
Which of the following statement is true about ozone layer
Standard reduction potentials of the half reactions are given below :

$F_{2(g)} + 2e^- \rightarrow 2F^-_{(aq)}\, ;$  $E^o = + 2.85\, V$

$Cl_{2(g)} + 2e^- \rightarrow 2Cl^-_{(aq)}\, ;$   $E^o = + 1.36\, V$

$Br_{2(l)} + 2e^- \rightarrow 2Br^-_{(aq)}\, ;$  $E^o = + 1.06\, V$

$I_{2(s)} + 2e^- \rightarrow 2I^-_{(aq)}\, ;$  $E^o = + 0.53\, V$

The strongest oxidising and reducing agents respectively are

Consider the following reactions :

$(i)$ $PCl_3 + 3H_2O \to H_3PO_3 + 3HCl$   

$(ii)$ $SF_4 + 3H_2O \to H_3SO_3 + 4HF$   

$(iii)$ $BCI_3 + 3H_2O \to H_3BO_3 + 3HCl$   

$(IV)$ $XeF_6 + 3H_2O \to XeO_3 + 6HF$

Then according to given information the incorrect statement is

Gas that can not be collected over water is
The aldehydes which will not form Grignard product with one equivalent Grignard reagents are
Optically active $ 2-$ octanol rapidly loses its optical activity when exposed to
In the given reaction $'x'$ is :- $C{H_3} - C \equiv CH\xrightarrow{{Excess\,HCl}}\left( A \right)\xrightarrow{{{H_2}O/{OH^\Theta }}}\left( x \right)$
Two solutions of $KNO_3$ and $CH_3COOH$ are prepared separately. Molarity of both is $0.1\, M$ and osmotic pressures are $P_1$ and $P_2$ respectively. The correct relationship between the osmotic pressures is :-
The reactivity of halogen atom is minimum in