EASY
Earn 100

IUPAC name and degree of unsaturation of compound X is

Question Image

50% studentsanswered this correctly

Important Questions on Organic Chemistry- Some Basic Principles and Techniques

HARD
1.4 g of an organic compound was digested according to Kjeldahl's method and the ammonia evolved was absorbed in 60 mL of M/10 H2SO4 solution. The excess sulphuric acid required 20 mL of M/10 NaOH solution for neutralization. The percentage of nitrogen in the compound is:
EASY
The correct match between item I and item II is
 
Item I (Compound) Item II (Reagent)
a. Lysine p. 1-naphthol
b. Furfural q. Ninhydrin
c. Benzyl alcohol r. KMnO4
d. Styrene s. Ceric ammonium nitrate
HARD
Which one of the following structures has the IUPAC name 3-ethynyl-2-hydroxy-4-methylhex-3-en-5-ynoic acid?
MEDIUM
For the estimation of nitrogen, 1.4 g of an organic compound was digested by the Kjeldahl method and the evolved ammonia was absorbed in 60 ml of M 1 0 sulphuric acid. The unreacted acid required 20 ml of M 1 0 sodium hydroxide for complete neutralization. The percentage of nitrogen in the compound is
MEDIUM
In Duma's method for estimation of nitrogen, 0.25 g of an organic compound gave 40 mL of nitrogen collected at 300 K temperature and 725 mm pressure. If the aqueous tension at 300 K is 25 mm, the percentage of nitrogen in the compound is:
EASY
The reddish brown precipitate formed in the Fehling's test for aldehydes (RCHO) is due to the formation of
EASY
An organic compound ‘A’ is oxidized with Na2O2 followed by boiling with HNO3. The resultant solution is then treated with ammonium molybdate to yield a yellow percipitate. Based on a above observation, the element present in the given compound is:
MEDIUM
Which of the following compounds will be suitable for Kjeldahl's method for nitrogen estimation?