Aromatic properties of benzene are proved by
aromatic sextet theory
resonance theory
molecular orbital theory
All of the above
The correct order of stability of following carbocation is
(III) > (II) > (I) > (IV)
(II) > (III) > (I) > (IV)
(I) > (II) > (III) > (IV)
None of the above
Alkene which on ozonolysis yields acetone, is
CH2=CH-CH2-CH3
CH3-CH=CH2
CH3-CH=CH-CH3
(CH3)2-C=C-(CH3)2
The number of moles of proton which can be easily given by butyne-1 (1 mole) is
1
2
3
6
A.
1
The structure of butyne-1 is given below
H-C≡C-CH2-CH3
If triple bond bearing carbon attached with hydrogen, such hydrogen is acidic in nature. Number of this type of hydrogen present in butyne-1 is one.