19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Among the following the most reactive towards alcoholic KOH is
This reaction would follow which of the following pathway predominantly?
Which of the following is liquid at room temperature?
Which of the following represents the correct order of densities?
Which of the following has the highest normal boiling point?
Among the following alkyl halides, choose the one with the lowest boiling point.
Major (Excess) CH CH NH CH I P -> P should be
KSH -> P should be (a) (b)
Θ H C-SNa +CH CH -X -> The reaction is fastest when X is:
Haloforms are trihalogen derivatives of
This reaction follows
Based on the above reaction, the major product would be (a) (b)
(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:
Which of the following reactions is an example of nucleophilic substitution reaction? (AIPMT 2009)
CH CH Br on treatment with LiAlH4 gives ethane gas while (CH3)3C-Br on same treatment gives H2 gas because (OJEE 2009) (a) the former is SN2 and latter is E2 reaction
Which one of the following species will be most reactive in SN2 reaction? (AMU 2009) (a) (b) (c) (d)
Consider the following reactions, EtOH/H O (Major) C H Cl AgCN X -> Which one of the following statements is true for X? (EAMCET 2009) I. It gives propanoic acid on hydrolysis. II. It has an ester functional group. I…
The correct order of increasing reactivity of C – X bond towards nucleophile in the following compounds is (AIPMT 2010)
In the following reaction + 1. Mg, Ether 2. H O , C H CH Br X -> is (AIPMT 2010)
iso-propyl bromide on Wurtz reaction gives (RPMT 2010)
The reaction, Dryether RX 2Na RX R R 2NaX -> is called (Hayana PMT 2010)
KMnO /H aq.KOH CH CH Br A -> -> NH Br alkali B C D, -> -> D is (KCET 2010) (a) CH Br (b) CH CONH (c) CH NH (d) CHBr
The reactivities of CH Cl,CH CH CH Cl and C H Cl are in the order (CMC 2010) (a) CH Cl CH CH Cl C H Cl (b) CH CH CH Cl CH Cl C H Cl (c) C H Cl CH CH CH Cl CH Cl (d) CH Cl C H Cl CH CH C…
Identify Z, in the following series. Br alc.KOH KCN C H I X Y Z -> -> -> (VMMC 2010) (a) CH CH CN (b) NCCH CH CN (c) BrCH CH CN
Which one is most reactive towards SN1 reaction? (AIPMT 2011)