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KSH -> P should be (a) (b)
Which of the following is an example of SN2 reaction? (a) CH Br OH CH OH Br -> (b) CH3 C CH3 CH3 Cl - Cl- CH3 C CH3 CH3 + Cl CH3 C CH3 CH3 + OH CH3 C CH3 CH3 OH H2O .. .. Θ Me-O-CH -Cl Me-O-CH Cl Me-O=CH…
The compound most reactive towards SN1 reaction is
Which is the best solvent to use for the solvolysis reaction of t-butyl chloride?
Haloforms are trihalogen derivatives of
This reaction follows
Which of the following statements is correct about Retention / inversion of configuration during the course of a reaction? (a)Configuration is retained if reagent attacks from the same side of leaving group. (b)Config…
Consider the following (I) (II) (III) (IV) when attached to sp 3 -hybridized carbon, their leaving group ability in nucleophilic substitution reactions decreases in the order:
Identify compound X in the following sequences of reactions: (NEET 2020) (a) (b) (c) (d)
Alc.KOH CH CH CH Br -> Final product is (JIPMER 2019)
(a) (b) (b) (d) Cl Cl NO2 C H ONa OC H Cl NO2 Cl OC H NO2 Major 1. HO / 2. H P -> P; P is:
Θ H C-SNa +CH CH -X -> The reaction is fastest when X is:
CH CD CH CHCD3 CH CD C CHCD CD CD CH CHCH3 CH CD CHCH2CD3 SOLID STATE The major product obtained when this substrate is subjected to E1 reaction will be (a) (b) (c)
An SN2 reaction at an asymmetric carbon of a compound always gives
Which of the following species is an electrophile?
When the concentration of alkyl halide is tripled and concentration of OH is reduced to half, the rate of SN2 reaction increased by:
Formation of free radical takes place with absorption of minimum energy in the formation of : (a) (b) (c) (d)
The rate of SN1 reaction is fastest with: (a) (b) (c) CH Br CH NO2 Br (d)
Which of the following compounds will undergo SN1 reaction? (a) (b) (c) (d)
Which one of the following will give racemised product in C2H5OH? (a) (b) (c) (d)
This reaction would follow which of the following pathway predominantly?
The order of reactivities of the following alkyl halides for a SN2 reaction is
Major product of the following reaction is: (a) (b) (c) (d)
(a) (b) (c) (d)
Assertion: SN2 reaction of CH3––Br is faster in Cl CH S – SCH3 Cl (CH ) CHS 3 2 – SCH(CH ) 3 2 DMSO than in H2O. Reason: DMSO has greater capability to solvate nucleophile.