Chemistry Question Bank

An organic compound having carbon, hydrogen and sulphur contains 4% of sulphur. The minimum molecular weight of the compound is

Which of the following test is used for quantitative estimation of N

Find out the percentage of carbon in acetic acid.

0.395 g of an organic compound by Carius method for the estimiation of sulphur gave 0.582 g of BaSO4. The percentage of sulphur in the compound is–

0.15 g of an organic compound gave 0.12 g of AgBr by Carius method. The percentage of bromine in the compound is

0.2475g of an organic compound gave on combustion 0.4950g of carbon dioxide and 0.2025g of water. The percentage of carbon and hydrogen are:

When 0.32g of a compound is heated with conc. HNO3 and BaCl2, 0.932g BaSO4 is obtained. The percentage of sulphur in the compound is

The molecular mass of a organic compound which contains only one nitrogen atom can be

Which of the following observations is correct and is used in the identification of carboxylic acids?

Esters undergo hydrolysis in Presence of KOH

Acids reacts with KOH to form salt.

Phenols contains acidic H it reacts with KOH.

Amines are basic. Therefore, do not react with KOH.

KOH can be used as a drying agent for

Silver salt method is used to determine molecular weight of

Which of the following is the test of alcohol?

Which of the following compound Discharge bromine solution to colourless without evolving HBr?

Which of the following will give Tollen’s test?

Schiff test is used for the identification:

Zeisel’s method is use for the determination of

Which of the following is the test of carbohydrates?

Which of the following is the test of primary amine?

Which of the following test is not used for protein/amino acids–

Which of the following will not give test for ‘N’ in sodium extract?

An organic compound contains C, H, N, S and Cl. For the detection of chlorine, the sodium extract of the compound is first heated with a few drops of concentrated HNO3 and then AgNO3 is added to get a white ppt. of Ag…