General
✓✗Including stereoisomers, the number of monochloro products formed by free radical chlorination of n-butane is
- 1
- 3
- 2
- 4
General
✓✗Aniline → (NaNO2, HCl, 273 K) A → (KI) B. The compound B is
- 4-iodoaniline
- benzene
- phenol
- iodobenzene
General
✓✗Toluene reacts with Cl2 in the presence of FeCl3 to give
- benzyl chloride
- benzotrichloride
- m-chlorotoluene only
- o-chlorotoluene and p-chlorotoluene
General
✓✗Assertion: (−)-2-Methylbutan-1-ol reacts with HCl to give (+)-1-chloro-2-methylbutane with retention of configuration.
Reason: No bond to the chiral carbon is broken in this reaction.
Reason: No bond to the chiral carbon is broken in this reaction.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
- Assertion is true but Reason is false
- Both Assertion and Reason are false
General
✓✗3-Bromo-2-methylpentane, CH3CH(CH3)CHBrCH2CH3, on heating with alcoholic KOH gives mainly
- 2-methylpent-2-ene
- 2-methylpentan-3-ol
- 2-methylpent-1-ene
- 4-methylpent-2-ene
General
✓✗Including stereoisomers, the number of monochloro products formed from n-pentane is
- 3
- 6
- 4
- 5
General
✓✗Lactic acid, CH3CH(OH)COOH, exists in how many optically active forms?
- 3
- 1
- 4
- 2
General
✓✗For the following reactions:
(A) CH3CH2CH2Br + KOH → CH3CH=CH2 + KBr + H2O
(B) (CH3)2CHBr + KOH → (CH3)2CHOH + KBr
(C) Cyclohexene + Br2 → 1,2-dibromocyclohexane
Which of the following statements is correct?
(A) CH3CH2CH2Br + KOH → CH3CH=CH2 + KBr + H2O
(B) (CH3)2CHBr + KOH → (CH3)2CHOH + KBr
(C) Cyclohexene + Br2 → 1,2-dibromocyclohexane
Which of the following statements is correct?
- (A) is elimination, (B) and (C) are substitution reactions
- (A) is elimination, (B) is substitution and (C) is an addition reaction
- (A) is substitution, (B) and (C) are addition reactions
- (A) and (B) are elimination reactions and (C) is an addition reaction
General
✓✗When chlorine is passed through propene at 400 °C, which of the following is formed?
- PVC
- Allyl chloride
- Propyl chloride
- 1,2-Dichloroethane
General
✓✗Free radical chlorination of alkanes is not a good method for preparing a pure haloalkane because
- it gives only alkenes
- it gives a mixture of isomeric mono- and polyhalogenated products
- it does not occur at all
- it needs no light or heat
General
✓✗The correct order of reactivity towards hydrolysis with aqueous NaOH is
- n-propyl chloride > allyl chloride > vinyl chloride
- allyl chloride > n-propyl chloride > vinyl chloride
- vinyl chloride > n-propyl chloride > allyl chloride
- all are equal
General
✓✗The IUPAC name of CH2=CHCH2Br is
- 3-bromopropene
- 2-bromopropene
- 1-bromopropane
- 1-bromopropene
General
✓✗The IUPAC name of neopentyl bromide, (CH3)3CCH2Br, is
- 2-bromo-2,2-dimethylpropane
- 1-bromopentane
- 1-bromo-2,2-dimethylpropane
- 1-bromo-2-methylbutane
General
✓✗Freon-12 is
- CCl3F
- CF4
- CCl2F2
- CHClF2
General
✓✗Isopropyl bromide reacts with aqueous KOH to give
- propene only
- propan-2-ol
- 2-propanone
- propan-1-ol