Properties of Compounds of Phosphorus

What is the colour of phosphorus pentachloride.

Find difference in number of moles of ${\mathrm{H}}_2\mathrm{O}$ required during partial and complete hydrolysis of $1 \mathrm{mole}$ of ${\mathrm{PCl}}_5$.

Holme's signals can be given by using :

In which of the following pairs both are monobasic, proton donor acid when dissolve in water ?

The compound which does not liberate ${\mathrm{H}}_2$ gas when treated with water is

${\mathrm{PCl}}_3$ on reaction with aq. ${\mathrm{H}}_3{\mathrm{PO}}_3$ produce :

What is the odour of phosphorous trichloride ?

How many covalent bonded units are present in the phosphorous trichloride ?

What is the structure of phosphorus trichloride ?

What is the colour of phosphorous trichloride ?

Which of the following gas has rotten fish smell ?

What is the colour of phosphine?

What is the colour of Phosphorus pentachloride powder ?

Which is correct for ${\mathrm{H}}_3{\mathrm{PO}}_3:$

Aqueous solution of ${\mathrm{PH}}_3$ in presence of $\mathrm{UV}$ radiations gives:

The compound which has ionic nature in solid state is:

The true statement for the acids of phosphorus, ${\mathrm{H}}_3{\mathrm{PO}}_2,{\mathrm{H}}_3{\mathrm{PO}}_3$ and ${\mathrm{H}}_3{\mathrm{PO}}_4$ is:

The following question consists of two statements one labelled $\mathrm{ASSERTION} \left(\mathrm{A}\right)$ and the another labelled $\mathrm{REASON} \left(\mathrm{R}\right)$. Select the correct answer to the question from the codes given below:

$\mathrm{Assertion}:$ ${\mathrm{PCl}}_3$ fumes, when it is exposed in moist air.

$\mathrm{Reason}:$ ${\mathrm{PCl}}_3$ is hydrolysed in presence of moisture giving fumes of $\mathrm{HCl}$.

Which of the following statement is incorrect for phosphine?

The solution of phosphine in water decomposes in presence of light to give: