Purification and characteristic of organic compoun Questions

Which one of the following is not a common component of Photo-chemical Smog?

The most suitable method of separation of 1 : 1 mixture of ortho and para-nitrophenols is :

Which one of the following characteristics is associated with adsorption?

When metal 'M' is treated with NaOH, a white gelatinous precipitate 'X' is obtained, which is soluble in excess of NaOH. Compound 'X' when heated strongly gives an oxide which ...

Compound A, C8H10O, is found to react with NaOI (produced by reacting Y with NaOH) and yields a yellow precipitate with characteristic smell. A and Y are respectively

In Carius method, 0.75 g of an organic compound gave 1.2 g of barium sulphate, find percentage of sulphur (molar mass ). Molar mass of barium sulphate is .

An organic compound on treatment with aqueous ammonia under hot condition forms compound which on heating with and KOH forms compound (R) having molecular formula . Names of and R respectively are....

An organic compound "P" of molecular formula gives positive lodoform test but negative Tollen's test. When "P" is treated with dilute acid, it produces "Q". "Q" gives positive Tollen's test and also i...

What is DDT among the following :

Deficiency of vitamin B1 causes the disease

Which one of the following statements regarding photochemical smog is not correct ?

Chloroamphenicol is an:

Which of the following is employed as antihistamine ?

Which one of the following statements is not true?

The presence or absence of hydroxyl group on which carbon atom of sugar differentiates RNA and DNA ?

Which of the following is not a narcotic-

Which of the following medicine is required for malaria-

Streptomycin is an example of

Which of the following is not a narcotic drug-

Chloroxylenol is an important component of