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question_answer1) The molecular formula of biphenyl methane,
question_answer2) How many structural isomers are possible when one of the hydrogens is replaced by a chlorine atom? The positive charge of carbocation can be delocalized over how many oxygen atoms in the resonating structures?
question_answer3) How many carbocations are possible for molecular formula \[{{C}_{3}}H_{5}^{+}\]?
question_answer4) The compound (X) has molecular formula \[{{C}_{4}}{{H}_{7}}Cl\] Find out the number of its cyclic isomers (structural and geometrical only excluding optical isomers).
question_answer5) Find out the number of stereoisomers obtained by bromination of trans-2-butene.
question_answer6) From the following compounds/ions, how many are electrophiles? \[\overset{+}{\mathop{C}}\,{{H}_{3}},\overset{+}{\mathop{N}}\,{{H}_{4}},\,B{{F}_{3}},N{{H}_{3}},\,N{{H}_{2}}-N{{H}_{2}},\,PC{{l}_{3}},PC{{l}_{5}}\] \[PC{{l}_{5}},SbC{{l}_{5}},GaC{{l}_{3}},\,\,AlC{{l}_{3}},{{F}^{-}},\,\overset{+}{\mathop{C}}\,N,C{{H}_{3}}-Cl\] ("C" atom of halide)
question_answer7) How many stereocentres are possible for the given compound?
question_answer8) From the given compound, how many are optically inactive? (i) (ii) (iii) (iv) (v) (vi) (vii) (viii) (ix) (x) (xi)
question_answer9) How many structural formula are possible for isomeric alcohols having the molecular formula \[{{C}_{4}}{{H}_{10}}O\]?
question_answer10) How many of the following are not ambiguous? Pentane, Neopentane, sec-Butanol, sec- Pentanol
question_answer11) Compound is a vicinal diol. How many vicinal diols are possible with the same molecular formula.
question_answer12) Which of the following compound(s) is/are optically active?
question_answer13) Find the number of fractions obtained after the completion of the reaction.
question_answer14) How many cyclic isomers of molecular formula \[{{C}_{7}}{{H}_{13}}Br\] can form 1 -methylcyclohexan-1-ol on reaction with \[{{H}_{2}}O\] /acetone/ \[A{{g}^{+}}\] (consider only structural isomers)?
question_answer15) How many stereoisomers are possible for 1, 3-dichloro-cyclopentane?
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