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

2020 · 9 Jan · Shift 2 · Q15
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. /2020 · 9 Jan · Shift 2 · Q15

D and F Block Elements question

2020 · 9 Jan · Shift 2 · Q15

JEE MainChemistryD and F Block ElementsMCQ+4 / −1
5 g of zinc is treated separately with an excess of (a) dilute hydrochloric acid and (b) aqueous sodium hydroxide. The ratio of the volumes of H2H_2H2​ evolved in these two reactions is :
  1. A
    1 : 2
  2. B
    1 : 1
  3. C
    1 : 4
  4. D
    2 : 1
PreviousNext

More from D and F Block Elements

  • The sum of the total number of bonds between chromium and oxygen atoms in chromate and dichromate ions is ​.2020 · Numerical
  • The statement that is INCORRECT about the interstitial compounds is :2019 · MCQ
  • The maximum number of possible oxidation states of actinoides are shown by :2019 · MCQ
  • The transition element that has lowest enthalpy of atomisation, is :2019 · MCQ
  • Consider the hydrated ions of Ti2+, V2+, Ti3+, and Sc3+. The correct order of their spin-only magnetic moments is :2019 · MCQ
  • The correct order of the first ionization enthalpies is :2019 · MCQ
  • The INCORRECT statement is :2019 · MCQ
  • The highest possible oxidation states of uranium and plutonium, respectively are :2019 · MCQ