Periodic Properties, s- and p-Block Elements — Practice

Question 1

The golden-yellow flame colour is characteristic of

Accepted Answer

A

Question 2

On burning in excess air, lithium forms mainly

Accepted Answer

A

Question 3

Lithium shows a diagonal relationship with

Accepted Answer

A

Question 4

Which oxide is amphoteric?

Accepted Answer

A

Question 5

The correct order of Lewis acid strength of boron halides is

Accepted Answer

A

Question 6

The bridging bonds in diborane (B₂H₆) are

Accepted Answer

A

Question 7

Which is the more stable oxidation state of lead?

Accepted Answer

A

Question 8

CO₂ is a gas while SiO₂ is a high-melting solid because

Accepted Answer

A

Question 9

Nitrogen does not form NCl₅ but phosphorus forms PCl₅ because

Accepted Answer

A

Question 10

Which allotrope of phosphorus is stored under water because it is highly reactive and catches fire in air?

Accepted Answer

A

Question 11

The strongest oxidising agent among the halogens is

Accepted Answer

A

Question 12

The correct order of acid strength is

Accepted Answer

A

Question 13

Which hydride is the most acidic?

Accepted Answer

A

Question 14

The shape of XeF₂ is

Accepted Answer

A

Question 15

Which noble gas most readily forms chemical compounds?

Accepted Answer

A

Practice — Periodic Properties, s- and p-Block Elements