(A) The allotropes of phosphorus are white,red,and black phosphorus.$1$. White phosphorus $(A)$ is converted to black phosphorus $(B)$ at $470 \ K$ an

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(A) The allotropes of phosphorus are white,red,and black phosphorus.$1$. White phosphorus $(A)$ is converted to black phosphorus $(B)$ at $470 \ K$ and $1200 \ atm$ pressure.$2$. White phosphorus $(A)$ is converted to red phosphorus $(C)$ by heating it in an inert atmosphere of $CO_2$ at $570 \ K$.Therefore,$(A)$ is white,$(B)$ is black,and $(C)$ is red.

Class 12 Chemistry p-Block Elements (Class 12)Nitrogen family

Easy

Three allotropes $(A)$,$(B)$ and $(C)$ of phosphorus in the following change are respectively
$A \xrightarrow[1200 \ atm]{470 \ K} B$
$A \xrightarrow[CO_2 - atm]{570 \ K} C$

A
white,black,red
B
black,white,red
C
red,black,white
D
red,violet,black

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p-Block Elements (Class 12)

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Nitrogen family

Which of the following oxides of nitrogen is a coloured gas?

Medium

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Which one of the following statements is not correct regarding phosphine?

EasyAP EAMCET 2019

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Statement $(A)$: Among the oxides of nitrogen, $NO$ and $NO_2$ are paramagnetic.
Statement $(B)$: $NO$ is paramagnetic in the gaseous state and diamagnetic in the liquid state.
The correct answer is:

MediumTS EAMCET 2019

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Which of the following is one of the products obtained when calcined phosphate rock is reduced with coke and sand in an electric furnace at $1773 \ K$?

Easy

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Nitrogen forms $N_2$,but phosphorus prefers to exist as $P_4$ rather than $P_2$. Which of the following is the reason for this?

Medium

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Three allotropes $(A)$,$(B)$ and $(C)$ of phosphorus in the following change are respectively$A \xrightarrow[1200 \ atm]{470 \ K} B$$A \xrightarrow[CO_2 - atm]{570 \ K} C$

Similar Questions

Which of the following oxides of nitrogen is a coloured gas?

Which one of the following statements is not correct regarding phosphine?

Statement $(A)$: Among the oxides of nitrogen, $NO$ and $NO_2$ are paramagnetic.Statement $(B)$: $NO$ is paramagnetic in the gaseous state and diamagnetic in the liquid state.The correct answer is:

Which of the following is one of the products obtained when calcined phosphate rock is reduced with coke and sand in an electric furnace at $1773 \ K$?

Nitrogen forms $N_2$,but phosphorus prefers to exist as $P_4$ rather than $P_2$. Which of the following is the reason for this?

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Three allotropes $(A)$,$(B)$ and $(C)$ of phosphorus in the following change are respectively
$A \xrightarrow[1200 \ atm]{470 \ K} B$
$A \xrightarrow[CO_2 - atm]{570 \ K} C$

Statement $(A)$: Among the oxides of nitrogen, $NO$ and $NO_2$ are paramagnetic.
Statement $(B)$: $NO$ is paramagnetic in the gaseous state and diamagnetic in the liquid state.
The correct answer is: