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

2022 · 28 Jul · Shift 1 · Q5
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. /2022 · 28 Jul · Shift 1 · Q5

D and F Block Elements question

2022 · 28 Jul · Shift 1 · Q5

JEE MainChemistryD and F Block ElementsMCQ+4 / −1

Match List - I with List - II, match the gas evolved during each reaction.

List - I List - II
(A) (NH4)2Cr2O7⟶Δ\left(\mathrm{NH}_{4}\right)_{2} \mathrm{Cr}_{2} \mathrm{O}_{7} \stackrel{\Delta}{\longrightarrow}(NH4​)2​Cr2​O7​⟶Δ​ (I) H2\mathrm{H}_{2}H2​
(B) KMnO4+HCl→\mathrm{KMnO}_{4}+\mathrm{HCl} \rightarrowKMnO4​+HCl→ (II) N2\mathrm{N}_{2}N2​
(C) Al+NaOH+H2O→\mathrm{Al}+\mathrm{NaOH}+\mathrm{H}_{2} \mathrm{O} \rightarrowAl+NaOH+H2​O→ (III) O2\mathrm{O}_{2}O2​
(D) NaNO3⟶Δ\mathrm{NaNO}_{3} \stackrel{\Delta}{\longrightarrow}NaNO3​⟶Δ​ (IV) Cl2\mathrm{Cl}_{2}Cl2​

Choose the correct answer from the options given below :

  1. A
    (A)−(II),(B)−(III),(C)−(I),(D)−(IV)(\mathrm{A})-(\mathrm{II}),(\mathrm{B})-(\mathrm{III}),(\mathrm{C})-(\mathrm{I}),(\mathrm{D})-(\mathrm{IV})(A)−(II),(B)−(III),(C)−(I),(D)−(IV)
  2. B
    (A)−(III),(B)−(I),(C)−(IV),(D)−(II)(\mathrm{A})-(\mathrm{III}),(\mathrm{B})-(\mathrm{I}),(\mathrm{C})-(\mathrm{IV}),(\mathrm{D})-(\mathrm{II})(A)−(III),(B)−(I),(C)−(IV),(D)−(II)
  3. C
    (A)−(II),(B)−(IV),(C)−(I),(D)−(III)(\mathrm{A})-(\mathrm{II}),(\mathrm{B})-(\mathrm{IV}),(\mathrm{C})-(\mathrm{I}),(\mathrm{D})-(\mathrm{III})(A)−(II),(B)−(IV),(C)−(I),(D)−(III)
  4. D
    (A)−(III),(B)−(IV),(C)−(I),(D)−(II)(\mathrm{A})-(\mathrm{III}),(\mathrm{B})-(\mathrm{IV}),(\mathrm{C})-(\mathrm{I}),(\mathrm{D})-(\mathrm{II})(A)−(III),(B)−(IV),(C)−(I),(D)−(II)
PreviousNext

More from D and F Block Elements

  • Which of the following has least tendency to liberate H2​ from mineral acids?2022 · MCQ
  • Which of the following pair is not isoelectronic species? (At. no. Sm, 62; Er, 68; Yb, 70; Lu, 71; Eu, 63; Tb, 65; Tm, 69)2022 · Multiple correct
  • Which one of the lanthanoids given below is the most stable in divalent form?2022 · MCQ
  • The reaction of zinc with excess of aqueous alkali, evolves hydrogen gas and gives :2022 · MCQ
  • In following pairs, the one in which both transition metal ions are colourless is :2022 · MCQ
  • In neutral or faintly alkaline medium, KMnO4​ being a powerful oxidant can oxidize, thiosulphate almost quantitatively, to sulphate. In this reaction overall change in oxidation state of manganese will be :2022 · MCQ
  • Which of the following 3d-metal ion will give the lowest enthalpy of hydration (Δhyd ​H) when dissolved in water ?2022 · MCQ
  • The number of terminal oxygen atoms present in the product B obtained from the following reaction is ​. FeCr2​O4​ + Na2​CO3​ + O2​ → A + Fe2​O3​ + CO2​ A + H+→ B + H2​O + Na+2022 · Numerical