EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - p- Block Elements>AP EAPCET - 3 Sep 2021 Afternoon>Q 13

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An element $X$ belongs to $4^{th}$ period and $15^{th}$ group of the periodic table. Which one of the following is true regarding order electronic configuration of $X .$ It has

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Important Questions on p- Block Elements

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - p- Block Elements>AP EAPCET - 3 Sep 2021 Forenoon>Q 14

Which oxide of Nitrogen, among the following, is a colored gas?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - p- Block Elements>AP EAPCET - 3 Sep 2021 Afternoon>Q 15

Arrange the oxides of group-

15

elements in decreasing order of their acidity:

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - p- Block Elements>AP EAPCET Medical 2021 (6-Sep Forenoon)>Q 16

Pure nitrogen gas is prepared in the laboratory by heating a mixture of _______

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - p- Block Elements>AP EAPCET Medical 2018 (22-Apr Shift-1)>Q 17

Sulphur reacts with conc.

{HNO}_{3}

to form

H_{2} {SO}_{4}, H_{2} O

and

X (g)

. The liberated

X (g)

was passed into water to form

Y (g)

and

{HNO}_{3} .

What is

Y

?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - p- Block Elements>AP EAPCET 2020 (24-Sep Shift-1)>Q 18

{NH}_{3} + NaOCl \to ?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - p- Block Elements>AP EAPCET 2020 (24-Sep Shift-1)>Q 19

The correct statement regarding

H_{3} {PO}_{3}

and

H_{3} {PO}_{4}

among the following is

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - p- Block Elements>AP EAPCET Medical 2018 (22-Apr Shift-1)>Q 20

Which of the following reactions cannot liberate phosphine?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - p- Block Elements>AP EAPCET Medical 2019 (24-Apr Shift-1)>Q 21

The reaction which does not involve the formation of

H_{3} {PO}_{3}

is