An alkyl bromide is formed as the major product on reaction of 3-methyl-2-butene with hydrobromic acid under thermodynamic conditions. Which of the following is the correct IUPAC name of this product?
2-bromo-3-methylbutane
1-bromo-3-methylbutane
2-bromo-2-methylbutane
1-bromo-3-methyl-2-butene
Octane number of petrol can be improved by admixing it with which of the following chemicals?
Et4Pb
CH3OC(CH3)3
Both (a) and (b)
Pyrene
Which of the following is an anti-knocking compound?
TEL
LTC
Freon
Gasoline
A.
TEL
Tetra Ethyl Lead (TEL) Is an antiknocking compound lt is used for raising octane number of petrol.
Assertion (A): Reaction of 1-butene with HBr gives 1-bromobutane as major product.
Reason (R): Addition of hydrogen halides to alkenes proceeds according to Markownikoffs rule.
The correct answer is
A and R are correct and R is the correct explanation of A
A and R are correct but R is not the correct explanation of A.
A is correct but R is not correct
A is not correct but R is correct