Chemistry questions
29404 published questions with worked solutions.
- Chlorobenzene on fusing with solid NaOH gives
- In fire extinguisher, pyrene is
- Depletion of ozone layer is caused by
- Ethyl bromide can be differentiated from bromobenzene because with aqueous KOH solution
- Statement "ozone in atmosphere is decreased by chlorofluoro-carbon ( )"Not in JEE Main or NEET syllabus
- A set of compounds in which the reactivity of halogen atom in the ascending order is
- Which represents nucleophilic aromatic substitution reaction?
- The molecular formula of DDT has
- The reactivity of the compounds (i) MeBr (ii) PhCH_2Br (iii) MeCl (iv) p- MeOC_6H_4Br decreases as
- Phosgene is the common name for
- Chlorobenzene is ________ reactive than benzene towards electrophilic substitution and directs the incoming electrophile to the...
- Which attacking reagent is involved in Friedel-Craft's alkylation of benzene?
- The antiseptic action of CHI_3 is due to
- The reaction of 4-Bromobenzyl chloride with NaCN in ethanol leads to
- Chlorobenzene is
- Chlorobenzene on treatment with acetyl chloride and anhyd. AlCl_3 gives
- Give the IUPAC name of: (CH_3)_3CCH=C(Cl)C_6H_4I - p
- In the preparation of chlorobenzene from aniline, the most suitable reagent is
- The following structure has ____________ type of halide:
- The most reactive alkyl halide towards S_N2 reaction is