(A) → B + C; (B) and (C) both gives +ve iodoform test.Compound (A) is:-
C5H10O H3O+
(1) CH3-CH=CH-O-CH2-CH3
H
l
(2)CH3-C-O-CH2-CH3
l
CH3
(3)CH3-C-O-CH2-CH3
ll
CH2
(4)Both (b) and (c)
A solution of Ph3CCO2 in conc. H2SO4 gives (X) when poured into methanol X is :-
O
ll
(1) Ph3C-C-O-CH3
O
ll
(2) Ph2CH-C-O-CH3
(3) Ph3C-OCH3
(4) Ph3C-CH3
(A)(B)
Product (B) of the above reaction is:
The reducing agent among the following is -
1. CrO3/H+
2. KMnO4
3. LiAlH4
4. O3
Products obtained in the above reaction are :
(1) HCHO, HCO2H
(2) HCHO, 2HCO2H
(3) CO2, 2HCO2H
(4) CO2, HCHO, HCO2H
0.092 g of a compound with the molecular formula C3H8O3 reaction with an excess of CH3MgI gives 67.00 mL of methane at STP. The number of active hydrogen atoms present in a molecule of the compound is:
(1) one
(2) two
(3) three
(4) four
Optically active 2-octanol rapidly loses its optical activity when exposed to :
1. | Dilute acid | 2. | Dilute base |
3. | Light | 4. | Humidity |
Which of the following compounds is hemiacetal?
1 | |
2. | ![]() |
3. | ![]() |
4. | All of these |
Arrange their stabilities of given gem-diols in decreasing order.
(a) I > II > III
(b) III > II > I
(c) I > III > II
(d) III > I > II