MyQuestionIcon

1

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

Introduction to Organic Chemistry

What are hydr...

Question

What are hydrocarbons? Compare saturated and unsaturated hydrocarbons. [4 MARKS]

Open in App

Solution

Hydrocarbons: 1 Mark
Comparison: 3 Marks

Hydrocarbons are compounds that are made up only of carbon and hydrogen atoms.
For example, ethane $(C_{2} H_{6})$ , acetylene $(C_{2} H_{2})$ , benzene $(C_{6} H_{6})$ etc.

Any three:
Comparison of saturated and unsaturated hydrocarbons
$\begin{matrix} S a t u r a t e d h y d r o c a r b o n s & U n s a t u r a t e d h y d r o c a r b o n s 1. A l l t h e f o u r v a l e n c i e s o f e a c h c a r b o n a t o m & T h e v a l e n c i e s o f a t l e a s t t w o c a r b o n a t o m s a r e s a t i s f i e d b y f o r m i n g s i n g l e c o v a l e n t & a r e n o t f u l l y s a t i s f i e d b y t h e h y d r o g e n a t o m s . b o n d s w i t h c a r b o n a n d h y d r o g e n a t o m s . 2. C a r b o n a t o m s a r e j o i n e d o n l y b y s i n g l e & C a r b o n a t o m s a r e j o i n e d b y d o u b l e c o v a l e n t c o v a l e n t b o n d s & b o n d s (> C = C <) o r b y t r i p l e c o v a l e n t ⎛ ⎜ ⎝ \begin{matrix} | & | - & C & C & - | & | \end{matrix} ⎞ ⎟ ⎠ & b o n d s (- C = C -) . 3. T h e y a r e l e s s r e a c t i v e d u e t o t h e n o n - & T h e y a r e m o r e r e a c t i v e d u e t o t h e p r e s e n c e a v a i l a b i l i t y o f e l e c t r o n s i n t h e s i n g l e & o f e l e c t r o n s i n t h e d o u b l e o r t h e t r i p l e b o n d . c o v a l e n t b o n d . 4. T h e y u n d e r g o s u b s t i t u t i o n r e a c t i o n s . & T h e y u n d e r g o a d d i t i o n r e a c t i o n s . \end{matrix}$

Suggest Corrections

thumbs-up

2

Similar questions

Q. What do you mean by saturated hydrocarbons and unsaturated hydrocarbons? State their examples.

Q. Write two difference between saturated hydrocarbons and unsaturated hydrocarbons.

Q. Why are the hydrocarbons distinguished as saturated and unsaturated

Q. What are hydrocarbons? Write the name and general formula of (i) saturated hydrocarbons, (ii) unsaturated hydrocarbons and draw the structure of one hydrocarbon of each type. How can an unsaturated hydrocarbon be made saturated?

Q. Methane is a saturated hydrocarbon while ethene and ethyne are unsaturated hydrocarbons.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Introduction to Organic Chemistry

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Introduction to Organic Chemistry

Standard X Chemistry

Join BYJU'S Learning Program

CrossIcon