Showing posts with label class10-chemistry. Show all posts
Showing posts with label class10-chemistry. Show all posts

Sunday 23 October 2011

Class 10 - Science - CH4 - Carbon and Its Compounds (Q & A) (#cbsenotes)(#eduvictors)

Class 10 - Carbon and Its Compounds

Class 10 - Science - CH4 - Carbon and Its Compounds (Q & A) (#cbsenotes)(#eduvictors)
cellulose
(credits:wpclipart)

Q1. What is next homologue of C3H7OH is called?

Answer: The next homologue of C3H7OH is called butanol C4H9OH.


Q2. What is the molecular formula of the alcohol which can be derived from propane?

Answer: Propane: CH3-CH2-CH3 or C3H8
Alcohol obtained from propane is C3H7OH.


Q3. What is meant by the term functional group?

Answer: An atom or a group of atoms, which makes a carbon compound reactive and decides its
properties. is called a functional group.

Q4. Give the names of the functional groups: (CBSE 2007)
          i) -CHO  (ii  -C=O

Answer: (i) Aldehydic group (ii) Ketonic group.

Q5. Give the names of the following functional groups: (CBSE 2007)
         i) —OH (ii) —COOH

Answer: (i) Alcoholic (ii) Carhoxylic.