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question_answer1) How many alkenes can be formed when n-butylamine is treated with nitrous acid?
question_answer2) How many statements are correct? (I) Pyrrole is more basic than pyridine. (II) Pyridine is more basic than pyrrole and aniline. (III) Aniline is more basic than pyridine. (IV) All are aromatic bases.
question_answer3) Consider the following reaction: (I) (II) Find the sum of total number of nitrogen atoms, which are present in products A, B, C and D.
question_answer4) Find the difference between the number of products formed in given reactions. (I) \[{{C}_{6}}{{H}_{5}}{{N}^{+}}M{{e}_{3}}OH\] (II)
question_answer5) Total number of Br atom in product 'P' is-.
question_answer6) \[Ph-N{{H}_{2}}\xrightarrow[0-5{}^\circ \,C]{NaN{{O}_{2}}/HCl}\xrightarrow[dil.\,HCl]{Ph-N{{H}_{2}}}\,(X)\] Find the sum of number of nitrogen atoms present in (X) and the total number of stereoisomers of (X) formed.
question_answer7) E has how many halogens?
question_answer8) Find the total number of given phenomena in which hydrogen bonding plays a central role. (I) Ice floats in water. (II) Higher Lewis basicity of primary amines than tertiary amines in aqueous solutions. (III) Formic acid is more acidic than acetic acid. (IV) Dimerisation of acetic acid in benzene.
question_answer9) In following conversion, find the number of carbon atoms in products.
question_answer10) Find the number of unsaturated carbon in the product.
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