Which one has the highest boiling point?

Important Questions on The p-Block Elements

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 3rd April 2016>Q 41

The pair in which phosphorous atoms have a formal oxidation state of + 3 is:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 3rd April 2016>Q 42

The reaction of zinc with dilute and concentrated nitric acid, respectively, produces:

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 31 August 2021 Shift 2>Q 43

The number of $\mathrm{S}=\mathrm{O}$ bonds present in sulphurous acid, peroxodisulphuric acid and pyrosulphuric acid, respectively are :

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 31 August 2021 Shift 2>Q 44

Which one of the following correctly represents the order of stability of oxides, ${\mathrm{X}}_2\mathrm{O};$ $(\mathrm{X}=$ halogen $) ?$

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 31 August 2021 Shift 1>Q 45

The number of halogen/(s) forming halic $\left(\mathrm{V}\right)$ acid is __________ .

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 3 September 2020 Shift 1>Q 46

Aqua regia is used for dissolving noble metals (Au, Pt, etc.). The gas evolved in this process is

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 3 September 2020 Shift 1>Q 47

In a molecule of pyrophosphoric acid, the number of $\mathrm{P}-\mathrm{O} \mathrm{H}, \mathrm{P}=0 \mathrm{and} \mathrm{P}-\mathrm{O}-\mathrm{P}$ bonds/moiety(ies) respectively are :

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 27 July 2021 Shift 2>Q 48

Number of $\mathrm{Cl}=\mathrm{O}$ bonds in chlorous acid, chloric acid and perchloric acid respectively are: