Lassaigne's Test and Detection of Other Elements

JEE Main Chemistry · Purification and Characterisation of Organic Compounds · 11 questions, latest first

• Given below are two statements: Statement I: In Lassaigne's test, the covalent organic molecules are transformed into ionic…202523 January, Shift 1 · Q70
• Given below are two statements: Statement (I): Nitrogen, sulphur, halogen and phosphorus present in an organic compound are…202522 January, Shift 2 · Q63
• In qualitative test for identification of presence of phosphorous, the compound is heated with an oxidising agent. Which is…20248 April, Shift 2 · Q71
• Match List I with List II Choose the correct answer from the options given below:20248 April, Shift 1 · Q73
• Which of the following nitrogen containing compound does not give Lassaigne's test?20244 April, Shift 1 · Q73
• Lassaigne's test is used for detection of:20241 February, Shift 2 · Q72
• The Lassiagne's extract is boiled with dil HNO_3 before testing for halogens because,202430 January, Shift 1 · Q69
• Appearance of blood red colour, on treatment of the sodium fusion extract of an organic compound with FeSO_4 in presence of…202429 January, Shift 1 · Q71
• Match List I with List II Choose the correct answer from the options given below:20236 April, Shift 1 · Q74
• Given below are two statements: Statement I: Sulphanilic acid gives esterification test for carboxyl group. Statement II:…20231 February, Shift 2 · Q42
• Compound that will give positive Lassaigne's test for both nitrogen and halogen is:202329 January, Shift 1 · Q50