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question_answer1) Which sequence represent. Most basic in the following compound is
question_answer2) How many order of stability are correct (I) \[{{I}^{\Theta }}>B{{r}^{\Theta }}>C{{l}^{\Theta }}>{{F}^{\Theta }}\] (II) \[C{{H}_{3}}-\overset{\Theta }{\mathop{C}}\,{{H}_{2}}>C{{H}_{3}}-\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C{{H}^{\Theta }}}}\,}}\,\] (III) \[CH\equiv {{C}_{\Theta }}>CH2=C{{H}_{\Theta }}>C{{H}_{3}}-CH_{2}^{\Theta }\] (iv) \[O{{H}_{\Theta }}>NH_{2}^{\Theta }>CH_{3}^{\Theta }\] (v) \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\overset{C{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{{{C}^{\bullet }}}}}\,}}}\,>C{{H}_{3}}-\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C{{H}^{\bullet }}}}\,}}\,>C{{H}_{3}}-CH_{2}^{\bullet }\]
question_answer3) Number of functional groups present in the following compound is:
question_answer4) Among given pairs, how many pairs in which (i) is more reactive then (ii) towards \[AgN{{O}_{3}}\] (A) (i) (ii) (B) (i) (ii) (C) (i) (ii) (D) (i) (ii) (E) (i) (ii) (F) (i) (ii) (G) (i) (ii) (H) (i) (ii)
question_answer5) No. of \[\sigma \]bond participate in hyper conjugation in following molecule.
question_answer6) How many of following order are correct (I) (II) (III) \[C{{H}_{3}}-\underset{Cl}{\overset{Cl}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,-COOH<C{{H}_{3}}-\underset{F}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-COOH\]Order of \[p{{K}_{a}}\] (IV) \[\begin{align} & C{{H}_{3}}-CH=CH\underset{\left( a \right)}{\mathop{\underset{\uparrow }{\mathop{-}}\,}}\,C{{H}_{2}}\underset{\left( b \right)}{\mathop{\underset{\uparrow }{\mathop{-}}\,}}\,C{{H}_{2}}-C{{H}_{3}} \\ & a<b \\ \end{align}\] Order of bond length
question_answer7) The total number of basic groups in the following form of lysine is
question_answer8) Amongst the following, the total number of compounds soluble in aqueous NaOH is
question_answer9) The total number of contributing structures showing hyperconjugation (involving C-H bonds) for the following carbocation is
question_answer10) The number of resonance structures for N is
question_answer11) Among the following, the number of aromatic compound(s) is
question_answer12) Heat of hydrogenations are given: \[\Delta H=-28.6kcal/mol\] \[\Delta H=-116.2kcal/mol\] What will be the R.E. of anthracene?
question_answer13) Among the following, find out number of ions or molecules that can show back bonding. ,\[{{H}_{3}}C-\overset{\bullet \bullet }{\mathop{N}}\,=C=O\]
question_answer14) How many are correct for stability of resonating structure (I) \[C{{H}_{3}}-\overset{\oplus }{\mathop{C}}\,=O<C{{H}_{3}}-C\equiv \overset{\oplus }{\mathop{C}}\,\] (II) \[C{{H}_{2}}=\overset{\oplus }{\mathop{N}}\,=\overset{\Theta }{\mathop{N}}\,>\overset{\Theta }{\mathop{C}}\,{{H}_{2}}-\overset{\oplus }{\mathop{N}}\,\equiv N\] (III) (IV) (V) \[\overset{\Theta }{\mathop{C}}\,{{H}_{2}}-\underset{O}{\mathop{\underset{||}{\mathop{C}}\,}}\,-C{{H}_{3}}>C{{H}_{2}}=\underset{{{O}^{\Theta }}}{\mathop{\underset{|}{\mathop{C}}\,}}\,-C{{H}_{3}}\]
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