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Given the stuctures of A,B and C in the ...

Given the stuctures of A,B and C in the following reactions-
(i) `C_6H_5N_2^+Cl^(-)overset(CuCN)toAoverset(H_2O //H^+)toBunderset(Delta)overset(H_2O //H^+)toC`
(ii) `C_6H_5NO_2overset(Sn+HCl)toAunderset(273K)overset(NaNO_2+HCl)toBunderset(Delta)overset(H_2O //H^+)toC`

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Give the structures of A, B and C in the following reactions: (i) C_(6)H_(5)N_(2)""^(+)Cl^(-) overset(CuCN)(to) A overset(H_(2)O // H^(+))(to) B underset(Delta)overset(NH_(3))(to) C (ii) C_(6)H_(5)NO_(2) overset(Sn,HCl)(to) A overset(NaNO_(2),HCl)(to) B underset(Delta)overset(H_(2)O // H^(+))(to) C

Identify the product C in the series. C_(6)H_(5)NO_(2) overset(FeHCl) to A underset(273 K)overset(NaNO_(2)+HCl) to B underset(283)overset(H_(2)O)to C

Give the structures of A, B and C in the following reactions (i) CH_(3)CH_(2)I overset(NaCN)(to) A underset("hydrolysis Partial")overset(OH^(-))(to) B overset(NaOH+Br_(2))to C (ii) C_(6)H_(5)N_(2)Cl overset(CuCN)to A overset(H_(2)O // H^(+))(to) B underset(Delta)overset(NH_(3))(to) C (iii) CH_(3)CH_(2)Br overset(KCN)to A overset(LiAlH_(4))to B underset(0^(@)C)overset(HNO_(2))to C (iv) C_(6)H_(5)NO_(2) overset(Fe//HCl)to A underset(273 K)overset(NaNO_(2)+HCl)to B underset(Delta)overset(H_(2)O // H^(+))to C (v) CH_(3)COOH underset(Delta)overset(NH_(3))to A overset(NaOBr)to B overset(NaNO_(2)//HCl)to C (vi) C_(6)H_(5)NO_(2) overset(Fe//HCl)to A underset(273 K)overset(HNO_(2))to B overset(C_(6)H_(5)OH)to C

Identify ‘A’ and ‘B’ in the following reaction sequence. CH_(3)COOH+C_(2)H_(5)OHunderset(-H_(2)O)overset(H^(+))toAunderset(Delta)overset(H_(2)//Ni)toB

Identify X, Y and Z in the following reactions: (a) C_(6)H_(6)underset(AlCl_(3))overset(Cl_(2))toXunderset(575K,300atm)overset(aq.NaOH)toYoverset(H^(+),H_(2)O)toZ (b) C_(6)H_(5)NH_(2)underset(273K)overset(NaNO_(2).HCl)toXunderset("Warm")overset(H^(+),H_(2)O)toYunderset("Heat")overset(Zn)toZ

XII BOARDS PREVIOUS YEAR-XII BOARDS-Set -I
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  4. How will you convert (i) Propene to Propan-2-ol? (ii) Phenol to 2...

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  5. (a) What type of semiconductor is obtained when silicon is doped with...

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  6. Datermine the osmotic pressure of a solution prepared by dissolving 2....

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  7. Calculate the emf of the following cell at 298K: Fe(s)|Fe^(2+)(0.001...

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  8. How would you account for the following? (l) Transition metals exhib...

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  9. Complete the following chemical equations : (i) Cr2O6^(2-)+6Fe^(2+)...

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  10. Write the IUPAC names of the following coordination coordination compo...

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  11. Given the stuctures of A,B and C in the following reactions- (i) C6...

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  12. Write the names and structures of the monomers of the following polyme...

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  13. After watching a programme on TV about the adverse effects of junk foo...

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  14. (a) Which one of the folJowing is a food preservative? Equanil, Mor...

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  15. (a) A reaction is second order in A and first order in B . (i) Write...

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  16. (a) For a first order reaction, show that time required for 99% compl...

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  17. (a) Given reasons for the following : (i) Bond enthalpy of F2 is low...

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  18. (a) Account for the following : (i) Helium is used in diving apparat...

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  19. (a) Although phenoxide ion has more number of resonating structures th...

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  20. Complete the following reactions : (b) Give simple chemical tests t...

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