Purification and Characterisation of Organic Compounds — practice questions
7 curated practice questions from Purification and Characterisation of Organic Compounds (Chemistry JEE Main, NTA Exams) — 3 medium, 3 easy, 1 hard. Every question includes the final answer free; step-by-step worked solutions with a free account.
- A compound which does not give a positive test in Lassaigne's test for nitrogen is:
- A certain organic compound has a% carbon, b% hydrogen and c% oxygen. If a = 6b and a - b = 3(c - b), the empirical…
- If dichloromethane (DCM) and water (H 2 O) are used for differential extraction, which one of the following statements…
- In organic layer test, CS 2 or CCl 4 is added to Lassaigne's extract and then Cl 2 water or KMnO 4 is added. This test…
- The ammonia evolved from the treatment of 0.30 g of an organic compound for the estimation of nitrogen was passed in…
- The compound formed in the positive test for nitrogen with the lassaigne's solution of an organic compound is:
- In chromatography, which of the following statements is incorrect for R f ?