HARD
Earn 100
Describe different reagents used in Victor Meyer test.
Important Questions on Hydroxy Compounds and Ethers
EASY
Read the following statements and choose the correct option.
(i) Amines can be identified and distinguished by Hinsberg's reagent.
(ii) The three types of amines react similarly with Hinsberg's reagent and hence can be distinguished from each other.
MEDIUM
For the estimation of nitrogen, of an organic compound was digested by the Kjeldahl method and the evolved ammonia was absorbed in of sulphuric acid. The unreacted acid required of sodium hydroxide for complete neutralization. The percentage of nitrogen in the compound is
EASY
An organic compound ‘A’ is oxidized with followed by boiling with 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
Kjeldahl’s method cannot be used to estimate nitrogen for which of the following compounds?
MEDIUM
In Duma's method for estimation of nitrogen, of an organic compound gave of nitrogen collected at temperature and pressure. If the aqueous tension at is , the percentage of nitrogen in the compound is:
EASY
In the Kjeldahl's method for estimation of nitrogen present in soil sample, ammonia evolved from of sample neutralized of The percentage of nitrogen in the soil is:
MEDIUM
Which of the following compounds will be suitable for Kjeldahl's method for nitrogen estimation?
EASY
Which of the following is used for the estimation of halogens in organic compounds?
MEDIUM
Phenol can be distinguished from ethanol by the reagent
EASY
Acetic acid reacts with sodium metal at room temperature to produce
HARD
The Kjeldahl method of Nitrogen estimation fails for which of the following reaction products?
EASY
The correct match between item and item is
| Item (Compound) | Item (Reagent) | ||
| Lysine | naphthol | ||
| Furfural | Ninhydrin | ||
| Benzyl alcohol | |||
| Styrene | Ceric ammonium nitrate | ||
MEDIUM
In Carius method of estimation of halogen, of an organic compound showed presence of of bromine. Which of these is the correct structure of the compound ?
EASY
An organic compound on treatment with benzene sulfonyl chloride gives compound . is soluble in dil. solution. Compound is :
HARD
In the Kjeldahl's method of estimation of nitrogen, ammonia gas evolved from of an organic compound was absorbed in of sulphuric acid. The unused acid required of for complete neutralisation. The weight percentage of nitrogen in the organic compound is
EASY
Which of the following is a FALSE statement?
HARD
An organic compound weighing gave on Carius estimation, of . The percentage of in the compound will be close to At. Mass
EASY
The reddish brown precipitate formed in the Fehling's test for aldehydes (RCHO) is due to the formation of
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 solution. The excess sulphuric acid required 20 mL of M/10 NaOH solution for neutralization. The percentage of nitrogen in the compound is:
MEDIUM
In the following reaction
The major product is
