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Introduction to Alkynes

Structural fo...

Question

Structural formula of ethyne is -

A

(2)

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B

1

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C

4

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D

3

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Solution

The correct option is A (2)
Ethyne has triple bond in their carbon atoms. It is also known as acetylene and it is a very flammable gas. It is used in lamps also. The triple bond of this gas is shortest and strongest.

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Q. Question 30
Drawthe electron dot structure of ethyne and also draw its structural formula

Q. Question 11
Structural formula of ethyne is

(a)

H - C \equiv C - H

H_{3} - C \equiv C - H

Q. Draw the electron dot structure of ethyne and also draw its
structural formula

Q. Give the structural formula for the following: [5 MARKS]
(i) Methanoic acid
(ii) Ethanal
(iii) Ethyne
(iv) Acetone
(v) 2-Methylpropane

(a) Give the name and structural formula of one member each of the following :
(i) alkane (ii) alkene (iii) alkyne (iv) cycloalkane

(b) What are the common names of (i) Ethyne (ii) Ethene

(c) What is the chemical and structural formula of benzene?

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