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Organic Chemistry L7

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In the following questions, each question has four options (A), (B), (C) and (D). Choose the correct option and indicate your correct response. A train started from Patna to Mumbai at 8 : 25 A.M. and reached Mumbai at 7 : 35 P.M. same day. The time taken by train in journery is :

An organic compound (A) C_(8)H_(10)O was subjected to a series of test in laboratory. It was found that this compound : (i) Rotates the plane polarized light (ii) Evolves H_(2) gas with Na. (iii)Reacts with I_(2) and NaOH to produce yellow ppt. (iv) Does not react with Br_(2)//"CC"l_(4) (v) Reats wtih not KMnO_(4) to form (B)C_(7)H_(6)O_(2) , which can also be synthesized by benzene and carbonyl chloride followed by hydrolysis. (vi) Loses optical activity as a result of reduction with Res P+HI to form 'C' (vii) Reacts with Lucas reagent in about 5 minutes. Find out structure of compound 'A' :

An organic compound (A) C_(8)H_(10)O was subjected to a series of test in laboratory. It was found that this compound : (i) Rotates the plane polarized light (ii) Evolves H_(2) gas with Na. (iii)Reacts with I_(2) and NaOH to produce yellow ppt. (iv) Does not react with Br_(2)//"CC"l_(4) (v) Reats wtih not KMnO_(4) to form (B)C_(7)H_(6)O_(2) , which can also be synthesized by benzene and carbonyl chloride followed by hydrolysis. (vi) Loses optical activity as a result of reduction with Res P+HI to form 'C' (vii) Reacts with Lucas reagent in about 5 minutes. A overset("TsCl")rarr X overset("alc. KOH")rarr Y overset("conc." H_(2)SO_(4))rarr Z . Find out correct structure of Z.

An organic compound (A) C_(8)H_(10)O was subjected to a series of test in laboratory. It was found that this compound : (i) Rotates the plane polarized light (ii) Evolves H_(2) gas with Na. (iii)Reacts with I_(2) and NaOH to produce yellow ppt. (iv) Does not react with Br_(2)//"CC"l_(4) (v) Reats wtih not KMnO_(4) to form (B)C_(7)H_(6)O_(2) , which can also be synthesized by benzene and carbonyl chloride followed by hydrolysis. (vi) Loses optical activity as a result of reduction with Res P+HI to form 'C' (vii) Reacts with Lucas reagent in about 5 minutes. Compounds B and C are respectively :

A person from A starts to walk at 7 am and reaches B at 1 pm and another person starts to walk from B at 8 am and reaches A at 11 am. Find the time at which they meet each other.