Question

3. Write the molecular formula of ethene and draw its electron dot
structure.
[2]
Answer: Molecular formula of ethene is C,H,
Electron dot structure of ethene.
H
H
C
с
or CH2=CH,
H
H
4. Given reasons :
(a) Platinum, gold and silver are used to make jewellery.
(b) Metals like sodium and potassium are stored under oil.
OR​

Answer 1

Answer:

3. Write the molecular formula of ethene and draw its electron dot

structure.

[2]

Answer: Molecular formula of ethene is C,H,

Electron dot structure of ethene.

H

H

C

с

or CH2=CH,

H

H

4. Given reasons :

(a) Platinum, gold and silver are used to make jewellery.

(b) Metals like sodium and potassium are stored under oil.