CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Introduction

An element of...

Question

An element of group 14 has two common allotropes A and B. A is very hard and is bad conductor of electricity while B is soft . Identify the elements and its allotropes

Open in App

Solution

1. The element is Carbon.

2. Allotrope A is Diamond, which is bad conductor of electricity as there are no delocalised electrons in it.

3. Allotrope B is Graphite, which is good conductor of electricity as there are many localised electrons.

Suggest Corrections

thumbs-up

0

Similar questions

Q. A solid element X has four electrons in the outermost shell of its atom. An allotrope Y of this element is used as a dry lubricant in machinery and also in making pencil leads.
(a) What is element X?
(b) Name the allotrope Y.
(c) State whether allotrope Y is a good conductor or non-conductor of electricity.
(d) Name one use of allotrope Y (other than lubrication and pencil leads)
(e) Name two other allotropes of element X.

A

is an element having four electrons in its outermost orbit. An allotrope

B

of this element is used as a dry lubricant in machinery and in pencil leads. So :
(a) Write the name of element

A

and its allotropes.
(b) State whether

B

is a good conductor or non-conductor of electricity?

Q. The element which shows a large number of allotropes among VIA group elements:

Q. At standard conditions, X has an allotropic form that is a good electrical conductor. Identify X?

Q. The solid element A exhibits the property of catenation. It is also present in the form of a gas B in the air which is utilised by plants in photosynthesis. An allotrope C of this element is used in glass cutters.
(a) What is element A?
(b) What is the gas B?
(c) Name the allotrope C.
(d) State another use of allotrope C (other than in glass cutters).
(e) Name another allotrope of element A which exists as spherical molecules.
(f) Name a yet another allotrope of element A which conduct electricity.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Introduction

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon