19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
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 compounds possesses the C—H bond with the lowest bond dissociation energy?
The correct structure of 4-bromo-3-methyl but-1-ene is
The most reactive nucleophile among the following is : (a) CH O (b) C H O
Tautomerism is exhibited by (1) GENERAL ORGANIC CHEMISTRY (2) (3) (4)
Assertion : Carbanions like ammonia have pyramidal shape. Reason : The carbon atom carrying negative charge has an octet of electrons.
The most reactive nucleophile among the following is : (a) CH O (b) C H O
The correct structure of 4-bromo-3-methyl but-1-ene is
Which of the following compounds possesses the C—H bond with the lowest bond dissociation energy?
Hybridisation states of C in + CH and CH are (a) sp & sp
Which of the following represents the correct order of the acidity in the given compounds ?
Correct order of basicity of various nitrogen in
Which will not show geometrical isomerism ?
How many geometrical isomers of this cyclodecene are possible ?
Maximum enol content is in (a) (b) (c) (d)
Assertion: NF is a weaker ligand than N CH . Reason: NF ionizes to give Fions in aqueous solution.
Assertion : Tropylium cation is aromatic in nature. Reason :The only property that determines its aromatic behaviour is planar structure.
Assertion: A compound with delocalised electrons is more stable than that compound would be if all its electrons were localised. Reason: The extra stability, a compound gains as a result of having delocalised electron…
Assertion : The carbocation CF CH is less stable than CF . Reason : In case of CF CH ,CF is strong electron withdrawing, therefore increases +ve charge whereas in CF , lone pair of ‘F’ overlap with vacant p-orbital of…
The incorrect IUPAC name is (a) (b) (c) (d)
IUPAC name of is
Ethanol and dimethyl ether are
The IUPAC name of is
Among the following, the strongest nucleophile is : (a) C H SH (b) CH COO (c) CH NH (d) NCCH