Related InterviewSolutions

• An alkene combines with a conjusted diene to give an unconguated cycloalkadiene. The most likely title of this reaction is:A. Schotten-Baumann reactionB. Hoffmann-bromamide-reactionC. Diels-Alder reactionD. Pinacol-Pinacolone rearrangement.
• The product `C` is `CH_(3).CH_(2).C-=CH+HCl rarrBoverset(HI)rarrC`A. `CH_(3)CH_(2)-overset(I)overset(|)-CH-CH_(2)Cl`B. `CH_(3)CH_(2)-underset(Cl)underset(|)overset(I)overset(|)C-CH_(3)`C. `CH_(3)-underset(Cl)underset(|)(CH)-CH_(2)CH_(2)I`D. `CH_(3)CH_(2)CH_(2)-underset(Cl)underset(|)overset(I)overset(|)C-H`
• `CH-=CHunderset(H_(2)SO_(4))overset(HgSO_(4))rarrAunderset(H_(2)O)overset(CH_(3)MgBr)rarrBoverset(P//Br_(2))rarrC.` Here C is `:`A. `CH_(3)CH(Br)CH_(3)`B. `CH_(3)CH_(2)CH_(2)Br`C. `CH_(2)=CHBr`D. `BrHC=CH-CH_(3)`
• Identity the product (Y) in the following reaction sequence: A. CyclobutaneB. cyclopentaneC. pentaneD. cyclopentanone
• Which of the following cycloakanes has lowest heat of combustion per-`CH_(2)`- group per mole ?A. CyclopropaneB. CyclobutaneC. CyclopentaneD. Cyclohexane
• HBr reacts with `H_(2)C=CH-OCH_(3)` under anhydrous conditions at room temperature to give:A. `CH_(3)CHO` and `CH_(3)Br`B. `BrCH_(2)CHO` and `CH_(3)OH`C. `H_(3)C-CHBr-OCH_(3)`D. `H_(3)C-CHBr-OCH_(3)`
• Ethylene combines with sulphur monochloride to form.A. ethyl chlorideB. ethylene chlorideC. mustard gasD. ethylidene chloride
• a) A gaseous mixutre consists ethane and ehylene. How are the individual members recovered? A gaseous mixture consists of ethylene and acetylene. How both are separated from each other?
• In the presence of platinum catalyst, hydrocarbon (A) adds hyrogen to form n-hexane. When hydrogen bromide is added to (A) instead of hydrogen, only a single bromo compound is formed. Which of the following is (A)?A. `H_(2)C=CH-CH_(2)-CH_(2)-CH_(2)`B. `CH_(3)-CH=CH-CH_(2)-CH_(2)-CH_(3)`C. `CH_(3)-CH_(2)-CH=CH-CH_(2)-CH_(3)`D. `CH_(3)-CH_(2)-CH_(2)-CH=CH-CH_(3)`
• `H_(2)C=CH_(2)+HOCl to ………….+ ……… to` ethylene chlorohydrin. Fill in the blanks in the above reaction with:A. `CH_(2)OH - CH_(2)^(-)`B. `CH_(2)Cl-CH_(2)+OH^(+)`C. `CH_(2)OH-CH_(2)^(+)+ (Cl)^(-)`D. `CH_(2)Cl-Cl^(+)+OH^(-)`