NCERT Exemplar Chemistry - Class 11>Chapter 11 - The p-Block Elements>Multiple Choice Questions (Type-I)>Q 7

EASY

11th CBSE

IMPORTANT

Earn 100

Catenation i.e., linking of similar atoms depends on size and electronic configuration of atoms. The tendency of catenation in Group $14$ elements follows the order:

86.11% studentsanswered this correctly

Important Questions on The p-Block Elements

MEDIUM

11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 11 - The p-Block Elements>Multiple Choice Questions (Type-I)>Q 8

Silicon has a strong tendency to form polymers like silicones. The chain length of silicone polymer can be controlled by adding

HARD

11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 11 - The p-Block Elements>Multiple Choice Questions (Type-I)>Q 9

Ionisation enthalpy

(∆_{i} H_{1} kJ {mol}^{- 1})

for the elements of Group

13

follows the order.

HARD

11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 11 - The p-Block Elements>Multiple Choice Questions (Type-I)>Q 10

In the structure of diborane

HARD

11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 11 - The p-Block Elements>Multiple Choice Questions (Type-I)>Q 11

A compound

X

, of boron reacts with

{NH}_{3}

on heating to give another compound

Y

which is called inorganic benzene. The compound

X

can be prepared bytreating

{BF}_{3}

with Lithium aluminium hydride. The compounds

X

and

Y

are represented by the formulas.

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 11 - The p-Block Elements>Multiple Choice Questions (Type-I)>Q 12

Quartz is extensively used as a piezoelectric material, it contains _____.

HARD

11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 11 - The p-Block Elements>Multiple Choice Questions (Type-I)>Q 13

The most commonly used reducing agent is

EASY

11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 11 - The p-Block Elements>Multiple Choice Questions (Type-I)>Q 14

Dry ice is

MEDIUM

11th CBSE

IMPORTANT

NCERT Exemplar Chemistry - Class 11>Chapter 11 - The p-Block Elements>Multiple Choice Questions (Type-I)>Q 15

Cement, the important building material is a mixture of oxides of several elements. Besides calcium, iron and sulphur, oxides of elements of which of the group(s) are present in the mixture?