UNIT 11: Fundamentals of Organic Chemistry - Online Test

Q1. Lassaigne’s test for the detection of nitrogen fails in
Answer : Option C
Explaination / Solution:
No Explaination.


Q2. Connect pair of compounds which give blue colouration / precipitate and white precipi-tate respectively, when their Lassaigne’s test is separately done.
Answer : Option D
Explaination / Solution:
No Explaination.


Q3. Sodium nitropruside reacts with sulphide ion to give a purple colour due to the for-mation of
Answer : Option C
Explaination / Solution:
No Explaination.


Q4. An organic Compound weighing 0.15g gave on carius estimation, 0.12g of silver bromide. The percentage of bromine in the Compound will be close to
Answer : Option B
Explaination / Solution:
No Explaination.


Q5. A sample of 0.5g of an organic compound was treated according to Kjeldahl’s method. The ammonia evolved was absorbed in 50mL of 0.5M H2SO4. The remaining acid after neutralisation by ammonia consumed 80mL of 0.5 MNaOH, The percentage of nitrogen in the organic compound is.
Answer : Option B
Explaination / Solution:
No Explaination.


Q6. In an organic compound, phosphorus is estimated as
Answer : Option A
Explaination / Solution:
No Explaination.


Q7. Ortho and para-nitro phenol can be separated by
Answer : Option C
Explaination / Solution:
No Explaination.


Q8. The purity of an organic compound is determined by
Answer : Option D
Explaination / Solution:
No Explaination.


Q9. A liquid which decomposes at its boiling point can be purified by
Answer : Option B
Explaination / Solution:
No Explaination.


Q10.

Assertion:

 is

Reason: The principal functional group gets lowest number followed by double bond (or) triple bond.
Answer : Option A
Explaination / Solution:
No Explaination.