Class 12 Chemistry 2017 Board Exam

Out of [Structure: 1-chloro-1-phenylethane] and [Structure: 1-chloro-2-phenylethane], which is an example of a benzylic halide ?

Write the IUPAC name of the following compound :
CH₃-C(CH₃)=C(Br)-CH₂OH

What is the effect of adding a catalyst on
(a) Activation energy (Ea), and
(b) Gibbs energy (ΔG) of a reaction ?

Write the IUPAC name of the following compound :
C₆H₅-CH=CH-CH₂-OH

Out of [Structure: 3-bromocyclohex-1-ene] and [Structure: 1-bromocyclohex-1-ene], which is an example of allylic halide ?

Out of [Structure: 3-bromocyclohex-1-ene] and [Structure: 1-bromocyclohex-1-ene], which is an example of vinylic halide ?

Write the IUPAC name of the following compound :
CH₃-O-C(CH₃)₃

Using IUPAC norms write the formulae for the following :
(a) Tris(ethane-1,2-diamine)chromium(III) chloride
(b) Potassium tetrahydroxozincate(II)

(a) Arrange the following compounds in the increasing order of their acid strength :
p-cresol, p-nitrophenol, phenol
(b) Write the mechanism (using curved arrow notation) of the following reaction :
CH₂ = CH₂ H₃O⁺ CH₃ – CH²⁺ + H₂O

OR

Write the structures of the products when Butan-2-ol reacts with the following :
(a) CrO₃
(b) SOCl₂

Write the name of the cell which is generally used in transistors. Write the reactions taking place at the anode and the cathode of this cell.