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Q.5 Assertion: Industrial Alcohol is unfit for drinking.
Reason: It has ethanol which is highly poisonous by nature.

Subjective-

S.L Questions M Skill
No. a
rk
Q.1 1 R
Write the next homologue of propanol CH 3CH 2CH 2OHand butanal
CH 3CH 2CH 2CHO.[CBSE 2016,2011)
Q.2 1 u
What happens when a small piece of sodium isdropped into
ethanol

[CBSE 2013,2011]
Q.3 Write the name and molecular formula of an organic compound 3 R+A
having its name suffixed with ‘—ol’ and having two carbon atoms
in the molecule. With the help of a balanced chemical equation
indicate what happens when it is heated with excess of cone.
H 2SO 4. [CBSE 2010]
Q.4 Write any three physical properties and three uses of 3 U+A
ethanol.[CBSE 2016]
Q.5 An organic compound ‘P’ is a constituent of wine. 5 HOT

‘P’ on reacting with acidified K 2Cr 2O 7 forms another compound
‘Q’. Whena piece of sodium is added to
‘Q’ a gas ‘R’ evolves which burns with a pop sound.
Identify P, Q and R and write the chemical equations of the
reactions involved.

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