19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
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
Which will not show geometrical isomerism ?
The molecular formula of diphenyl methane is C 13H How many structural isomers are possible when one of the hydrogen is replaced by a chlorine atom?
Correct order of basicity of various nitrogen in
Which of the following represents the correct order of the acidity in the given compounds ?
Hybridisation states of C in + CH and CH are (a) sp & sp
Which of the following orders is correct for the stability of these carbocations ?
Which of the following compounds possesses the C—H bond with the lowest bond dissociation energy?
The IUPAC name of the following compound is
The incorrect IUPAC name is (a) (b) (c) (d)
IUPAC name of is
The correct structure of 4-bromo-3-methyl but-1-ene is
Ethanol and dimethyl ether are
The IUPAC name of is
The most reactive nucleophile among the following is : (a) CH O (b) C H O
Among the following, the strongest nucleophile is : (a) C H SH (b) CH COO (c) CH NH (d) NCCH
The number of sigma electrons in toluene are
Which of the following represents the given mode of hybridisation sp -sp -sp-sp from left to right ? (a) H C CH C N