Download App

STD 11 - 9. Hydricarbon — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 - 9. Hydricarbon4 Marks
MCQ
Electrophilic addition on a carbon-carbon double bond involves the intermediate formation of a more stable carbocation. This statement is called
  • A
    Saytzeff's rule
  • B
    Baeyer's effect
  • ✓
    Markownikoff's rule
  • D
    None of these
✓

Answer

Correct option: C.
Markownikoff's rule
c
According to Saytzeff rule "In dehydrohalogenation reactions, the preferred product is that alkene which has the greater number of alkyl groups attached to the doubly bonded carbon atoms." For example: The dehydrohalogenation of $2$-bromobutane yields two products $1$-butene and $2$-butene.

The Markownikoff's rule states that with the addition of a protic acid $HX$ to an asymmetric alkene, the acid hydrogen $( H )$ gets attached to the carbon with more hydrogen substituents, and the halide $( X )$ group gets attached to the carbon with more alkyl substituents.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

JEE STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

On complete combustion of $0.492\,g$ of an organic compound containing $C , H$ and $O , 0.7938\,g$ of $CO _{2}$ and $0.4428\,g$ of $H _{2} O$ was produced. The $\%$ composition of oxygen in the compound is $........$
→
Point out the wrong statement :For a first order reaction
→
Which of the following isomers of $C_8H_9NO$ is the weakest base ?
→
When $1\,mole$ of $H_2$ and $1\,mole$ of $N_2$ is enclosed in $5\,L$ vessel and the reaction is  allowed to attain equilibrium, it is found that at equilibrium there is $x\,mole$ of $H_2$. The number of moles of $NH_3$ would be
→
The strength of an aqueous $NaOH$ solution is most accurately determined by titrating 

(Note : consider that an appropriate indicator is used)

→
Which one of the following statement is true for transition elements
→
Which of the following complex can shows coordination isomerism :-
→
When ethene is heated at ${400\,^o}C$ under high pressure, the product is/are
→
The total number of stereoisomer possible for $2, 3$ -dichloro butane
→
Resistance of $0.1\,M\,KCl$ solution in a conductance cell is $300\,ohm$ and conductivity is $0.013\,Scm^{-1}$. The value of cell constant is
→