Compounds having same molecular formula but differ in structural formula are called __________________?

Related Mcqs:

1. The organic compounds having very high molecular weight are called _________________?

   A. carboxylic acids
   B. ketones
   C. aldehydes
   D. polymers

2. The precess in which larger molecule with higher molecular weight breaks down into smaller moleucles with lower molecular weight____________________?

   A. polymerization
   B. pyrolysis
   C. isomerism
   D. no such process occurs

3. The general formula of cycloalkene is __________________?

   A. CnH2n
   B. CnH2n+2
   C. CnH2n-1
   D. CnH2n-2

4. Main source of organic compounds is__________________?

   A. Animal
   B. Fossil
   C. Coal
   D. Plants

5. Organic compounds that are essentially nonpolar and exhibit weak intermolecular forces have________________?

   A. Low melting points
   B. Low vapour pressure
   C. High boiling points
   D. High electrical conductivity

6. Organic compounds are soluble in ____________________?

   A. polar solvent
   B. non-polar solvent
   C. alkalies
   D. water

7. Rate of reactions of most organic compounds are____________________?

   A. very slow
   B. very fast
   C. slow
   D. no regular character present

8. Which one of the following compounds shows intense knocking ?

   A. n-pentane
   B. iso-heptane
   C. iso-octane
   D. n-heptane

9. A double bond consists of __________________?

   A. Two sigma bonds
   B. Two Pi bonds
   C. One sigma and one Pi bonds
   D. One sigma and two Pi bonds

10. Compound containing benzene ring in their structure are __________________?

    A. aliphatic
    B. aromatic
    C. carboxylic acid
    D. carbohydrates