Explanation:
(a) The functional group present in an organic compound having the molecular formula C
5
H
10
O
2
is Carboxylic acid group, (−COOH) and its formula is C
4
H
9
COOH
(b) One example each of the compounds having the following functional groups are:
(i) Aldehyde group: Ethanal (CH
3
CHO)
(ii) Alcohol group: Methanol (CH
3
OH)
(iii) Carboxylic acid grou: Ethanoic acid (CH
3
COOH)
(iv) Halo group: Chloromethane (CH
3
Cl)
(c) One example each of the compounds having the following functional groups are:
(i) Alkene group: Ethene (CH
2
=CH
2
)
(ii) Alkyne group: Ethyne (CH≡CH).
Answer:
Global warming is caused primarily from putting too much carbon into the atmosphere when coal, gas, and oil are burned to generate electricity or to run our cars. These gases spread around the planet like a blanket, keeping in solar heat that would otherwise be radiated out into space.
Answer:
A-Saturn
B-Mars
C-Venus
D-Uranus
Explanation:
A-Only Saturn is the sixth planet
B-Mars is commonly known as the red planet
C-Only Venus has a day longer than its year
D-Only Uranus has 27 known moons