19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
The compound X in the reaction, (a) (b) (c) (d)
Which of the following sequence of reactions (reagents) can be used for the conversion of C6H5CH2CH3 into C6H5CH=CH2?
Which is not aromatic compound? _
Among the following, the aromatic comopound is: (a) (b) (c) (d)
Reduction of 2-butyne with sodium in liquid ammonia gives predominantly :
The product A, is (a) (b) (c) (d)
Acetylenic hydrogens are acidic because
CH CH CH
CH CH C CH
CH CH CH CH
CH C C CH
Which is the most suitable reagent among the following to distinguish compound (3) from rest of the
A hydrocarbon A on chlorination gives B which on heating with alcoholic potassium hydroxide changes into another hydrocarbon C. The latter decolourises Baeyer's reagent and on ozonolysis forms formaldehyde only. A is
In the presence of platinum catalyst, hydrocarbon A adds hydrogen to form n-hexane. When hydrogen bromide is added to A instead of hydrogen, only a single bromo compound Is formed. Which of the following is A? (a) CH …
When 3, 3-dimethyl 2-butanol is heated with H2SO4, the major product obtained is
When hydrochloric acid gas is treated with propene in presence of benzoyl peroxide, it gives.
The reagent is Reagent R CH CCl R R C C R ->
Consider the following statements : A hydrocarbon of molecular formula C5H10 is a I. monosubstituted alkene II. disubstituted alkene III. trisubstituted alkene Which of the following statement(s) is(are) correct?
Which one of the following reactions is expected to readily give a hydrocarbon product in good yields? (a) Electrolytic RCOOK oxidation -> (b) Br2 RCOO Ag -> (c) Br2 RCOO Ag ->
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)
Predict the correct intermediate and product in the following reaction: (NEET 2017) (a) (b) (c) (d)
Which one is the correct order of acidity? (NEET 2017)
With respect to the conformers of ethane, which of the following statements is true? (NEET 2017)
The compound that will react most readily with gaseous bromine has the formula (NEET 2017) (a) C H (b) C H (c) C H (d) C H
In which of the following molecules, all atoms are coplanar? (NEET-II 2016) (a) (b) (c) (d)