19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
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
CH OH/H (i) CO Mg/ether (ii)H O CH Br P ->->-> Which is the product ‘P’ in the above reaction? (JIPMER 2018)
Among the following, the suitable reagent for Wurtz reaction is (JIPMER 2018)
Hydrocarbon (A) reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to gaseous hydrocarbon containing less than four carbon atoms. A is (NEET 2018) (a) CH…
A bromoalkane ‘X’ reacts with magnesium in dry ether to form compound ‘Y’. The reaction of ‘Y’ with methanol followed by hydrolysis yield an alcohol having molecular formula, C4H10O. The compound ‘X’ is (AIIMS 2018)
Assertion (A): The boiling points of alkyl halides decreases in the order RI > RBr > RCl > RF Reason (R): The boiling points of alkyl chlorides, bromides and iodides are considerably higher than that of the hydrocarb…
Among these nucleophiles, which of the following orders is correct for their nucleophilicity order in gas phase? - CH , NH , OH ,F (a) - CH >NH >OH >F (b) F OH NH CH (c) - OH >NH >F >CH
Consider the following groups (I) — OCOCH3 (II) — OCH3 (III) — OSO2CH3 (IV) — OSO2CF3 The decreasing order of their leaving ability is
The decreasing order of nucleophilicity among the nucleophiles
Which of the following species is a nucleophile?
Which of the following species is a nucleophile?
Which of the following species is a nucleophile? (a) CH O
Which of the following species is a nucleophile?
Which of the following species is an electrophile?
Which of the following species is an electrophile?
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…
Assertion (A): The boiling points of alkyl halides decreases in the order RI > RBr > RCl > RF Reason (R): The boiling points of alkyl chlorides, bromides and iodides are considerably higher than that of the hydrocarb…
A bromoalkane ‘X’ reacts with magnesium in dry ether to form compound ‘Y’. The reaction of ‘Y’ with methanol followed by hydrolysis yield an alcohol having molecular formula, C4H10O. The compound ‘X’ is (AIIMS 2018)
Hydrocarbon (A) reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to gaseous hydrocarbon containing less than four carbon atoms. A is (NEET 2018) (a) CH…