19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
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
Reaction of methyl bromide with aqueous sodium hydroxide involves (KCET 2010)
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)
Consider the reactions. (i) C H OH CH CH CH Br CH CH CH OC H HBr -> (ii) C H O CH CH CH Br CH CH CH OC H HBr -> The mechanisms of reactions (i) and (ii) are respectively …
Given reaction, ‘Y’ in the reaction is (DUMET 2011)
Two possible stereo-structures of CH3CHOHCOOH, which are optically active, are called (AIPMT 2015)
In an SN1 reaction on chiral centres, there is (AIPMT 2015)
The reaction of C6H5CH=CHCH3 with HBr produces (AIPMT 2015)
Consider the reaction, CH CH CH Br NaCN CH CH CH CN NaBr -> This reaction will be the fastest in (NEET 2016)
For the following reactions, (i) CH CH CH Br KOH CH CH CH KBr H O -> (ii) (iii) Which of the following statements is correct? (NEET 2016)
Identify A and predict the type of reaction. (NEET 2017) (a) and elimination addition reaction (b) and cine substitution reaction. (c) and cine substitution. (d) and substitution reaction.
Neopentyl chloride reacts with benzene in presence of a Lewis acid (AlCl3) to form (JIPMER 2018) (a) (b) (c) (d)
Identify the major product that is obtained on treatment of CH CH CH F CH with CH O / CH OH is (JIPMER 2018) (a) CH CH CH OCH CH (b) CH CH CHCH (c) CH CH CH CH (d) CH CH CH CH OCH SOLID STATE