MCQ
In which compound, the oxidation state of phosphorus is $+4$
  • A
    ${P_4}{O_{11}}$
  • ${P_4}{O_8}$
  • C
    $PC{l_5}$
  • D
    $NC{l_5}$

Answer

Correct option: B.
${P_4}{O_8}$
b
$P_4^* O_8$

$4 x+(-2 \times 8)=0$

$4 x-16=0$

$x=\frac{16}{4}=+4$

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

The correct order of rate of reaction toward nucleophilic addition reaction
The final product A formed in the following multistep reaction sequence is

 Image
Which one of the following is an incorrect statement
For the reaction, $2S{O_2}{\kern 1pt} (g)\, + \,{O_2}\,(g)\, \to \,2S{O_3}\,(g)$

${\Delta _H}\, = \, - 57.2\,kJ\,mo{l^{ - 1}}$ and ${K_C} = 1.7\, \times \,{10^{16}}$

Which of the following statement is $INCORRECT$ ?

Which of the following alcohols is the least soluble in water ?
Give the correct order of initials $T$ or $F$ for following statements. Use $T$ if  statement is true and $F$ if it is false :
$(I)$ The order of repulsion between different pair of electrons is $l_P - l_P > l_P - b_P > b_P - b_P$
$(II)$ In general, as the number of lone pair of electrons on central atom  increases, value of bond angle from normal bond angle also increases 
$(III)$ The number of lone pair on $O$ in $H_2O$ is $2$ while on $N$ in $NH_3$ is $1$
$(IV)$ The structures of xenon fluorides and xenon oxyfluorides could not be  explained on the basis of $VSEPR$ theory 
For the second period elements the correct increasing order of first ionisation enthalpy is
The normality of $10\%$  (weight/volume) acetic acid is ......... $N$.
The bond angle and hybridization in ether $(CH_3OCH_3)$ is
$10$ moles of an ideal gas confined to a volume of $10\,L$ is released into atmosphere at $300\, K$ where the pressure is $1\, bar.$ The work done by the gas is ....$L\, bar$

$(R = 0.083\, L\, bar\, K^{-1} \,mol^{-1})$