Phosphine is prepared by the reaction of $P_4$ with which of the following?

  • A
    $H_2SO_4$
  • B
    $NaOH$
  • C
    $H_2S$
  • D
    $HNO_3$

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Similar Questions

Phosphonic acid $(H_3PO_3)$ is:

The decreasing order of the number of ionisable hydrogen atoms in the following molecules is:
$I$. $H_3PO_4$
$II$. $H_3PO_3$
$III$. $H_3PO_2$
$IV$. $H_4P_2O_6$

$H_3PO_4$ $\xrightarrow{250\ ^oC}$ $(X)$ $\xrightarrow{600\ ^oC}$ $(Y)$
$H_3PO_4$ $\xrightarrow{600\ ^oC}$ $(Y)$
$(X)$ and $(Y)$ are:

Which one of the following is not correct?

Which of the following substances are soluble in concentrated $HNO_3$?

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