MEDIUM
KCET (UG)
IMPORTANT
Earn 100

An organic compound 'X' on treatment with PCC in dichloromethane gives the compound Y. Compound 'Y' reacts with I2 and alkali to form yellow precipitate of triiodomethane. The compound X is

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Important Questions on Alcohols, Phenols and Ethers

MEDIUM
KCET (UG)
IMPORTANT
The major product of the following reaction is CH2=CH-CH2-OH Excess HBr Product
EASY
KCET (UG)
IMPORTANT
Which of the following can be used to test the acidic nature of ethanol?
MEDIUM
KCET (UG)
IMPORTANT
A compound  A C7H8O is insoluble in NaHCO3 solution but dissolve in NaOH and give a characteristic colour with neutral FeCl3 solution. When treated with Bromine water compound  A forms the compound B with the formula C7H5OBr3.  A is
EASY
KCET (UG)
IMPORTANT

What is the increasing order of acidic strength among the following?

(i) p-methoxy phenol

(ii) p-methyl phenol

(iii) p-nitro phenol

EASY
KCET (UG)
IMPORTANT

Match the following pKa values.

  Acid   pKa
(a)  Phenol (i)  16
(b)  p-Nitrophenol (ii)  0.78
(c)  Ethanol (iii)  10
(d)  Picric acid (iv)  7.1

 

EASY
KCET (UG)
IMPORTANT
Which of the following has the lowest boiling point?
EASY
KCET (UG)
IMPORTANT
Which of the following on heating gives an ether as major product?
P: C6H5CH2Br+CH3ONa
Q: C6H5ONa+CH3Br
R: CH33C-Cl+CH3ONa
S: C6H5CH=CHCl+CH3ONa