What is the product in the following reaction?
Benzoquionone
Cyclohexane-1-one
Benzoic sulphate
Benzoric acid
Which one of the following has highest boiling point?
H3CCH2CH2CH2Cl
(H3C)2CHCH2Cl
(H3C)3CCl
H3CCH2CHClCH3
A.
H3CCH2CH2CH2Cl
(H3C)2CHCH2Cl
For isomeric alkyl halides, the boiling points decreases with branching. Branching of the chain makes the molecule more compact and therefore, the surface area decreases. Hence, the intermolecular attractive forces which depend upon the surface area, also become small In magnitude due to branching. Consequently, the boiling points of the branched chain having same molecular formula are less than the straight chain isomers. Higher the molecular weight, higher is the boiling point, but branching reduces boiling point.
The product Z of the following reaction is H3CC≡CH Z.
H3CCH2CHBr2
H3CCBr2CH3
H3CCHBrCH2Br
BrCH2CH2CH2Br
Identify X and Y in the following reaction sequence
X | Y |
(CH3)2CHBrCH3 | CH3CH=CHCH3 |
X | Y |
(CH3)2CHCH2Br | CH3CH=CHCH3 |
X | Y |
(CH3)2CBrCH2Br | (CH3)2C=CH2 |
X | Y |
(CH3)2CHCHBr2 | (CH3)2C=CH2 |
Oxidation of cyclohexene in presence of acidic potassium permaganate leads to
glutaric acid
adipic acid
pimelic acid
succinic acid
Cyclopentadienyl anion is
benzenoid and aromatic
non-benzenoid and aromatic
non-benzenoid and non-aromatic
non-benzenoid and anti- aromatic
The reactivity of alkyl bromides.
Towards iodide ion in dry acetone decrease in the order
V > I > II > III
I > IV> II> III
III> II> I> I
III > II > IV > I
Optically active CH3—CH2—CHOH—CH3 was found to have lost its optical activity after standing in water containing a few drops of acids, mainly due to the formation of
CH3—CH2—CH=CH2
CH3—CH=CH—CH3
CH3—CH(CH3)—CH2—OH
CH3—CH2—CH2—CH2—OH
Which one of the following alkenes when treated with HCl yields majority an anti Maxkovnikov product?
CH3O-CH=CH2
Cl-CH=CH2
F3C-CH=CH2
H2N-CH=CH2