MCQ
How many bridging oxygen atoms are present in $P_4O_{10}$ ?
  • $6$
  • B
    $4$
  • C
    $2$
  • D
    $5$

Answer

Correct option: A.
$6$
a

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

Which of the following inert gas has the smallest ionization energy?
$\begin{matrix}
   \begin{matrix}
   C{{H}_{2}}OOCR'  \\
   |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
\end{matrix}\,\,\,  \\
   CHOOCR\,\,\,\,\,\,\,  \\
   |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   C{{H}_{2}}OOCR'''  \\
\end{matrix}$  $\underset{\text{Hydrolysis}}{\mathop{\xrightarrow{\text{Enzyme}}}}$ $\begin{matrix}
   \begin{matrix}
   C{{H}_{2}}OH  \\
   |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
\end{matrix}  \\
   CHOH\,\,\,  \\
   |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   C{{H}_{2}}OH  \\
\end{matrix}$  $+\begin{matrix}
   \begin{matrix}
   R'COOH  \\
   +  \\
\end{matrix}  \\
   R''COOH  \\
   +  \\
   R'''COOH  \\
\end{matrix}$

The enzyme used in the above reaction is

Natural rubber is obtained as 'latex', which is a milky, white fluid from rubber trees. Latex is a:
White precipitate of $AgCl$ dissolves in aqueous ammonia solution due to formation of ..... .
$A + CC{l_4} + KOH \to $ Salicylic acid 

$‘A’$  in above reaction is

Which of the following happens in initiation step of the free radical polymerisation?
$CH_3 CH_2CH(OH)CH(CH_3)_2 + CH_3COCl \xrightarrow{base} $ $CH_3CH_2CH(OCOCH_3 )CH(CH_3)_2 + HCl$

In the above reaction, if the reactant alcohol is a pure $R-$ isomer the product would.

$H_3PO_2$ $\xrightarrow{{140^\circ C}}A\xrightarrow{{250^\circ C}}B$ $\xrightarrow{{316^\circ C}}C$

Compound $(C)$ is

Which of the following statements is not true about sucrose?
Amino acids usually exist in the form of Zwitter ions. This means that it consists of