Class 10 - Chapter 4- Carbon and its Compunds (Short Questions & Answers)

Class 10 - Chapter 4- Carbon and its Compounds

Methane Structure

(Short Questions & Answers)

Q1: State whether the following are true or false
       a. Both alkenes and cyclo-alkanes both can be represented by the same general formula.
       b. The general formula C_nH_2n is valid for any alkene with any number of multiple bonds,
       c. Acetone is the common name of propanone.
       d. Isomers always show same chemical properties.


Q2: Which is the common name for ethyne?

Q3: The complete combustion of a hydrocarbon always gives .....?

Q4: What is the term used for the compounds which have same molecular formula but
       different structures?

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

Class 10 - Carbon and Its Compounds

cellulose
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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.