Assertion change in colour of acidic solution of potassium dichromate by breath is used to test drunkdrivers.Reason Change in colour is due to the complexation of alcohol with potassium dichromate.
Both Assertion and reason are true and reason is the correct explanation of assertion
Both assertion and reason are true but reason is not the correct explanation is assertion
Assertion is true but reason is false
Both assertion and reason are false
The alcohol which easily reacts with conc.HCI is.
CH3 - CHOH - CH2 - CH3
(CH3)3 - C - OH
CH3 - CH2 - CH2 - CH2 - OH
(CH3)2 - CH - CH2OH
Which of the following compounds is most acidic?
CH4
C2H6
CHΞ CH
C2H5OH
Boiling point of ethyl alcohol is greater than ether due to.
Van der Waals' forces
London force
Polarity
Hydrogen bonding
The compound which gives turbidity immediately with Lucas reagent at room temperature is
butan-1-ol
butan-2-ol
2-methylpropan-2-ol
2-methylpropan-1-ol
Which is/are weaker acid than water?
Alcohols
terminal alkynes
Mercaptans
Both (a) and (b)
Lucas test is associated with.
phenol
carboxylic acid
alcohols
aldehyde
Which of the following reacts fastly with Na?
1oalcohol
2oalcohol
3oalcohol
The reactivity of all is equal
Which of the following is poisonous?
Methanol
Ethanol
Glycerol
Castor oil
An organic compound 'X' is oxidised by using acidified K2Cr2O7. The product obtained reacts with phenyl hydrazine but does not answer silver mirror test. The possible structure of X is.
CH3COCH3
(CH3)2CHOH
CH3CHO
CH3CH2OH
