Which one of the following compounds shows intense knocking ?

Related Mcqs:

1. Which of the following can be used as anti-knocking agent ?

   A. PbCl2
   B. (C2H5)4 Pb
   C. (C2H5)2 Pb
   D. all of the above

2. Main source of organic compounds is__________________?

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

3. 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

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

   A. polymer
   B. monomer
   C. isomer
   D. allotropes

5. Organic compounds are soluble in ____________________?

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

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

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

7. Rate of reactions of most organic compounds are____________________?

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

8. In cyano group the carbon atom shows which kind of hybridization___________________?

   A. sp2
   B. sp
   C. sp3
   D. none of the above

9. Which of the following is an amide________________?

   A. R-NH2
   B. RCONH2
   C. R – NH – R
   D. C6H5NH2

10. Propene can exhibit________________?

    A. cis-trans isomerism
    B. geometric isomerism
    C. both a & b
    D. none of the above