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1.

Consider the following relations for `emf` of a electrochemical cell (i) emf of cell = (Oxidation potential of anode)-(Reduction potential of cathode) (ii) emf of cell = (Oxidation potential of anode)+(Reduction potential of cathode) (iii) emf of cell = (Reduction potential of anode)+(Reduction potential of cathode) (iv) emf of cell = (Oxidation potential of anode)-(Oxidation potential of cathode) Which of the above realtions are correct?A. (a) and (b)B. (c ) and (d)C. (b) and (d)D. (c ) and (a)

Answer» Correct Answer - C
Discussion
2.

Match the compounds given in List -I with their characteristic reactions given in List -II. Select the correct option. `{:(,"List -I",,"List -II"),(,"Compounds",,"Reactions"),((a),CH_(3)CH_(2)CH_(2)CH_(2)NH_(2),(i),"alkaline hydroloysis"),((b),CH_(3)C-=CH,(ii),"with KOH (alcohol) and " CHCl_(3) " produces bad smell"),((c ),CH_(3)CH_(2)COOCH_(3),(iii),"given white ppt. with ammonical " AgNO_(3)),((d),CH_(3)CH(OH)CH_(3),(iv),"with Lucas reagent clodiness appears after 5 minutes"):}`A. `{:("(a) (b) (c) (d)"),("(iii) (ii) (i) (iv)"):}`B. `{:("(a) (b) (c) (d)"),("(ii) (iii) (i) (iv)"):}`C. `{:("(a) (b) (c) (d)"),("(iv) (ii) (iii) (i)"):}`D. `{:("(a) (b) (c) (d)"),("(ii) (i) (iv) (iii)"):}`

Answer» Correct Answer - B
Discussion
3.

Some statements about heavy water are given below `:` `(i)` Heavy water is used as a moderator in nuclear reactors `(ii)` Heavy water is more associated than ordinary water. `(iii)` Heavy water is more effective solvent than ordinary water Which of the above statments are correct ?A. (a), (b) and (c )B. (b) and (c )C. (a) and (c )D. (a) and (b)

Answer» Correct Answer - D
Discussion