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Q. What is the product when pyrrole reacts with Br2 in ethanol?

Q. What will be the product of the following reaction?

Q. Pyrrole is heated with_________ to open the ring and form succinaldehyde dioxime.

Q. From the followings, which drug contain furan heterocyclic ring?

Q. Compounds which have different arrangements of atoms in space while having same atoms bonded to each other are said to have

Q. For the generalized structure BrCH2CHClCH2CHClCH2Br there exists what number of stereoisomers?

Q. In the absence of specific data, it can only be said that (R)–2–bromopentane is:

Q. Which pharmacological effect is not produced by thiophene derivatives?

Q. Pyrrole undergoes iodination in presence of Iodine and potassium iodide to produce_____.

Q. Which drug(s) contain thiophene ring in its(their) structure?