EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - The p-Block Elements>WBJEE 2018>Q 3

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IMPORTANT

Earn 100

White phosphorous $P_{4}$ has the following characteristics

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Important Questions on The p-Block Elements

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - The p-Block Elements>WBJEE 2019>Q 4

Which of the following chemicals may be used to identify three unlabelled beakers containing conc.

NaOH

, conc.

H_{2} {SO}_{4}

and water?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - The p-Block Elements>WBJEE 2018>Q 5

Which of the set of oxides are arranged in the proper order of basic, amphoteric, acidic?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - The p-Block Elements>WBJEE 2020>Q 6

Which of the following statements is not true for the reaction,

2 F_{2} + 2 H_{2} O \to 4 HF + O_{2}

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - The p-Block Elements>WBJEE 2018>Q 7

At room temperature, the reaction between water and fluorine produces:

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - The p-Block Elements>WBJEE 2019>Q 8

The reactive species in chlorine bleach is

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 21 - The p-Block Elements>WBJEE 2018>Q 9

{Cl}_{2} O_{7}

is the anhydride of