Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

D and F Block Elements question

2003 · Shift 0 · Q21
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /D and F Block Elements
  5. /2003 · Shift 0 · Q21

D and F Block Elements question

2003 · Shift 0 · Q21

JEE MainChemistryD and F Block ElementsMCQ+4 / −1
Which one of the following statements is correct?
  1. A
    From a mixed precipitate of AgCl and AgI, ammonia solution dissolves only AgCl
  2. B
    Ferric ions give a deep green precipitate on adding potassium ferrocyanide solution
  3. C
    On boiling a solution having K+K^+K+, Ca2+Ca^{2+}Ca2+ and HCO3HCO_3HCO3​ ions we get a precipitate of K2Ca(CO3)2K_2Ca(CO_3)_2K2​Ca(CO3​)2​.
  4. D
    Manganese salts give a violet borax bead test in the reducing flame
PreviousNext

More from D and F Block Elements

  • A red solid is insolvable in water. However it becomes soluble if some KI is added to water. Heating the red solid in a test tube results in liberation of some violet colored fumes and droplets of a metal appear on the cooler parts…2003 · MCQ
  • For making good quality mirrors, plates of float glass are used. These are obtained by floating molten glass over a liquid metal which does not solidify before glass. The metal used can be :2003 · MCQ
  • What would happen when a solution of potassium chromate is treated with an excess of dilute nitric acid?2003 · MCQ
  • Which one of the following nitrates will leave behind a metal on strong heating?2003 · MCQ
  • The atomic numbers of vanadium (V), Chromium (Cr), manganese (Mn) and iron (Fe) are respectively 23, 24, 25 and 26. Which one of these may be expected to have the highest second ionization enthalpy?2003 · MCQ
  • The radius of La3+ (Atomic number of La = 57) is 1.06 Å. Which one of the following given values will be closest to the radius of Lu3+ (Atomic number of Lu = 71) ?2003 · MCQ
  • The number of d-electrons retained in Fe2+ (At no of Fe = 26) ion is :2003 · MCQ
  • How do we differentiate between Fe3+ and Cr3+ in group III?2002 · MCQ