Which of the following compound is hemiacetal ?
(a)
(d) 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
1. | 2. | ||
3. | 4. |
What is the product obtained by heating the following allylic ether of phenol?
An acid among the following acids raises the acidity of phenol is:
1. Dil. H2SO4
2. Dil. HCl
3. Conc. H2SO4
4. Conc. CH3COOH
; Compounds (X) and (Y) can be differentiated by:
(1) , NaOI
(2) , then Fehling test
(3) , then Na
(4) Both (b) and (c)
Which of the following compounds give positive Tollen's Test?
1.
2.
3.
4.
Test to differentiate between (CH3OH) and (Ph-OH) is/are:
(1) Litmus test
(2) FeCl3
(3) Br2/H2O
(4) All of these
In the reaction + CH3OH Product.
The product is:
(1)
(2)
(3)
(4)
Methanol and ethanol can be distinguished by the following:
1. by reaction with metallic sodium
2. by reaction with caustic soda
3. by heating with iodine and washing soda
4. by heating with zinc and inorganic mineral acid