EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 27 July 2022 Shift 2>Q 134

MEDIUM

JEE Main

IMPORTANT

Earn 100

Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$

Assertion $A$ : Boron is unable to form ${BF}_{6}^{3 -}$

Reason $R$ : Size of $B$ is very small.

In the light of the above statements, choose the correct answer from the options given below

57.14% studentsanswered this correctly

Important Questions on The p-Block Elements

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 28 July 2022 Shift 2>Q 135

White phosphorus reacts with thionyl chloride to give

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 28 July 2022 Shift 2>Q 136

Concentrated

{HNO}_{3}

reacts with Iodine to give

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 29 July 2022 Shift 2>Q 137

Given below are two statements.

Statement I : Stannane is an example of a molecular hydride.

Statement II : Stannane is a planar molecule. In the light of the above statement, choose the most appropriate answer from the options given below

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 29 July 2022 Shift 2>Q 138

When borax is heated with

CoO

on a platinum loop, blue coloured bead formed is largely due to

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 29 July 2022 Shift 2>Q 139

Consider the following sulphure based oxoacids.

H_{2} {SO}_{3}, H_{2} {SO}_{4}, H_{2} S_{2} O_{8}

and

H_{2} S_{2} O_{7}

. Amongst these oxoacids, the number of those with peroxo

(O - O)

bond is

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 24 January 2023 Shift 1>Q 140

Which of the Phosphorus oxoacid can create silver mirror from

{AgNO}_{3}

solution?

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 24 January 2023 Shift 2>Q 141

Sum of

π

-bonds present in peroxodisulphuric acid and pyrosulphuric acid is

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 18 - The p-Block Elements>JEE Main - 25 January 2023 Shift 1>Q 142

Reaction of thionyl chloride with white phosphorus forms a compound

[A]

, which on hydrolysis gives

[B]

, a dibasic acid.

[A]

and

[B]

are respectively