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question_answer1) Find the sum of total number of structural and configurational isomers of a bromo compound, \[{{C}_{5}}{{H}_{9}}Br,\] formed by the addition of HBr to 2-pentyne respectively.
question_answer2) Find the sum of total number of isomeric chlorides obtains in these reactions (consider only the major products).
question_answer3) How many total number of alkenes are possible by dehydrobromination of 3-bromo-3-cyclopentylhexane using alcoholic KOH?
question_answer4) How many of the following compounds will give whit precipitate with aqueous \[AgN{{O}_{3}}\]?
question_answer5) 2-Bromopentane is heated with KOH in alcoholic and aqueous medium respectively. Find the total number or products.
question_answer6) In the following sequence of reactions \[C{{H}_{3}}-Br\xrightarrow{KCN}A\xrightarrow{{{H}_{3}}{{O}^{+}}}\,B\,\xrightarrow[ether]{Li\,Al{{H}_{4}}}C\] How many \[s{{p}^{3}}\]hybridized atoms are present in product C.
question_answer7) \[C{{H}_{3}}C{{H}_{2}}\,Cl\xrightarrow{NaCN}X\xrightarrow{Ni/{{H}_{2}}}\,Y\,\xrightarrow[anhydride]{Acetic}Z\]Find the sum of carbon and hydrogen atoms in product Z.
question_answer8) Consider the following reaction. \[{{C}_{2}}{{H}_{5}}I\,\xrightarrow{Alc.\,KOH}X\xrightarrow{B{{r}_{2}}}Y\xrightarrow{KCN}Z\] How many CN group are present in product Z?
question_answer9) How many following reactions are correct? (I) \[RX+AgCN~~\xrightarrow{{}}~~RNC\] (II) \[RX+KCN~~\xrightarrow{{}}~~RCN\] \[\] (III) (IV) \[RX+AgN{{O}_{2}}\,\,\,\,\,\,\,\,\xrightarrow{{}}\,\,\,\,\,\,\,R-O-N=O\]
question_answer10) In the following sequence of reactions \[C{{H}_{3}}C{{H}_{2}}OH\xrightarrow{P+{{I}_{2}}}A\xrightarrow[ether]{Mg}B\xrightarrow{HCHO}\] \[C\xrightarrow{{{H}_{2}}O}D\] Find the number of-OH group in compound D.
question_answer11) Find the total number of lone pair in compound Z which is formed as follows: \[C{{H}_{3}}C{{H}_{2}}\,C{{H}_{2}}Br\text{ }\xrightarrow{aq.\,NaOH}X\] \[\xrightarrow{A{{l}_{2}}{{O}_{3}}}Y\xrightarrow{C{{l}_{2}}/{{H}_{2}}O}Z\]
question_answer12) An organic compound A with molecular formula \[{{C}_{4}}{{H}_{9}}\] Br on treatment with alcoholic KOH gave two isomeric compounds B and C with the formula \[{{C}_{4}}{{H}_{8}}.\] On ozonolysis B gave only one product \[C{{H}_{3}}CHO\] while C gave two different products. Find the sum of carbon atoms in compound A, B and C.
question_answer13) Consider the following compound: How many following statements are correct? (I) Loss of Br (a) atom in dehydrobromination reaction results in the formation of the most reactive double bond towards hydrogenation reaction. (II) Removal of Br (c) atom results in the formation of the most stable carbocation. (III) The above compound contains five asymmetric C atoms. (IV) The above compound does not show geometrical isomers.
question_answer14) IUPAC name of DDT is 2, 2-bis (p-chlorophenyl)-1, 1, 1-trichloroethane. How many reactive chlorine atoms are there in the compound?
question_answer15) How many methylanilines are formed when 3-methylchlorobenzene is treated with sodamide in liquid ammonia?
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