Main 24 · Advanced 17
SN1 and SN2
- Advanced 2026ChemistryNumerical
The volume of 1 M aqueous required to completely neutralize the ammonia evolved from 5.72 g of L in Kjeldahl's method of nitrogen estimation is ____ mL.
- Advanced 2026ChemistryNumerical
In sulphur estimation by Carius method, the amount of formed from 3.79 g of M is ____ g.
- Main 2026ChemistrySingle correct
Given below are two statements :
Statement (I) : Benzyl chloride reacts faster in mechanism than ethyl chloride.
Statement (II) : Ethyl carbocation intermediate is less stabilized by hyperconjugation than benzyl carbocation by resonance.
In the light of the above statements, choose the correct answer from the options given below :
- Main 2026ChemistrySingle correct
Correct statements regarding alkyl halides (R-X) among the following are :
A. Alcohol being less polar solvent as compared to water, alcoholic KOH favours elimination reaction with R-X.
B. Order of reactivity towards mechanism is .
C. Non substituted aryl halides exhibit properties similar to alkyl halides.
D. Vinyl chloride is an example of haloalkene and allyl chloride is an example of haloalkyne.
E. R-Cl can be prepared by reacting R-OH with but Ar-Cl cannot be prepared by reacting Ar-OH with .
Choose the correct answer from the options given below :
- Main 2026ChemistryList match
Match the LIST-I with LIST-II
Choose the correct answer from the options given below:
- Main 2026ChemistryInteger
RMgI when treated with ice cold water liberated a gas which occupied 1.4 dm³/g at STP. The gas produced is further reacted with iodine in presence of to give compound (X). Compound (X) in presence of Na and dry ether produced compound (Y). Molar mass of compound (Y) is ________ g mol. (Nearest integer)
- Advanced 2025ChemistryMultiple correct
For the reaction sequence given below, the correct statement(s) is(are)
(In the options, X is any atom other than carbon and hydrogen, and it is different in P, Q and R)
- Advanced 2023ChemistryList match
Match the reactions in List-I with the features of their products in List-II and choose the correct option.
- Advanced 2023ChemistrySingle correct
In the following reactions, P, Q, R, and S are the major products.
The correct statement about P, Q, R, and S is
- Main 2022ChemistryInteger
Consider the above reaction. The number of electrons present in the product 'P' is ______. - Main 2022ChemistrySingle correct
The correct order of nucleophilicity is
- Main 2022ChemistrySingle correct
The major product of the following reaction is :
- Main 2022ChemistrySingle correct
Which one of the following compounds is inactive towards S1 reaction ?
- Main 2022ChemistrySingle correct
Most stable product of the following reaction is :
- Main 2022ChemistrySingle correct
In the above reaction product B is:
Product B is
- Main 2022ChemistrySingle correct
The structure of A in the given reaction is :
- Main 2022ChemistrySingle correct
Ethyl chloride is treated with AgCN in to give 'A' (Major Product), and with NaCN in to give 'B' (Major Product), as shown.
Considering the above reactions, the compound 'A' and compound 'B' respectively are :
- Main 2022ChemistrySingle correct
Compound 'A' undergoes following sequence of reactions to give compound 'B'. The correct structure and chirality of compound 'B' is
[where Et is −CH]
Compound 'A' (2-bromo-3-methylbutane) is treated with (i) Mg, EtO (ii) DO to give B.
- Advanced 2021ChemistryMultiple correct
The reaction of with PhSNa yields an organic compound (major product) that gives positive Carius test on treatment with followed by addition of . The correct option(s) for is(are)
- Advanced 2020ChemistryMultiple correct
Which of the following plots is(are) correct for the given reaction?
( is the initial concentration of P)