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All India Engineering / Architecture Entrance Examination (AIEEE)

CBSE Guess > AIEEE > AIEEE Papers > 2009 > Chemistry

AIEEE 2009 Chemistry

Q. 24. In an atom, an electron is moving with a speed of 600 m/s with an accuracy of 0.005%. Certainity with which the position of the electron can be located is







  4.  

Sol:

Answer: (4)

Q. 25. Which of the following on heating with aqueous KOH, produces acetaldehyde?

  1. CH3CHCl2

  2. CH3COCl

  3. CH3CH2Cl

  4. CH2ClCH2Cl

Sol:
 

Answer: (1)

Q. 26. A liquid was mixed with ethanol and a drop of concentrated H2SO4 was added. A compound with a fruity smell was formed. The liquid was:

  1. CH3COOH

  2. CH3OH

  3. HCHO

  4. CH3COCHb3

Sol:
Ethyl acetate (ester) has fruity smell.

Answer: (1)