19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
IUPAC name of is
Tautomerism is exhibited by (1) GENERAL ORGANIC CHEMISTRY (2) (3) (4)
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?
The geometrical isomerism is shown by (a) (b) (c) (d)
Assertion : Carbanions like ammonia have pyramidal shape. Reason : The carbon atom carrying negative charge has an octet of electrons.
The IUPAC name of the following compound is
Which of the following orders is correct for the stability of these carbocations ?
Which of the following represents the correct order of the acidity in the given compounds ?
How many geometrical isomers of this cyclodecene are possible ?
Maximum enol content is in (a) (b) (c) (d)
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…
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 : Tropylium cation is aromatic in nature. Reason :The only property that determines its aromatic behaviour is planar structure.
Assertion: NF is a weaker ligand than N CH . Reason: NF ionizes to give Fions in aqueous solution.
Which of the following represents the given mode of hybridisation sp -sp -sp-sp from left to right ? (a) H C CH C N
Correct order of basicity of various nitrogen in
Among the following, the strongest nucleophile is : (a) C H SH (b) CH COO (c) CH NH (d) NCCH
The IUPAC name of is
Ethanol and dimethyl ether are
IUPAC name of is
The incorrect IUPAC name is (a) (b) (c) (d)
The number of sigma electrons in toluene are
The type of isomerism observed in urea molecule is
Which will not show geometrical isomerism ?
The most reactive nucleophile among the following is : (a) CH O (b) C H O