JEE Advance - Chemistry (2007)

• 1

  The species having bond order different from that in CO is

  回答

  (A)

  NO^-
• 2

  Among the following the paramagnetic compound is

  回答

  (D)

  KO₂
• 3

  The question contains STATEMENT - 1 (Assertion) and STATEMENT - 2 (Reason) and has 4 choices (a), (b), (c) and (d) out of which ONLY ONE is correct.
  STATEMENT - 1 Alkali metals dissolve in liquid ammonia to give blue solutions. because
  STATEMENT - 2 Alkali metals is liquid ammonia give solvated species of the type [M(NH₃)_n]⁺ (M = alkali metals)

  回答

  (B)

  Statement - 1 is true and Statement - 2 is true; Statement - 2 is not a correct explanation for Statement - 1