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

Some Basic Concepts of Chemistry question

2017 · Shift 0 · Q24
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Some Basic Concepts of Chemistry
  5. /2017 · Shift 0 · Q24

Some Basic Concepts of Chemistry question

2017 · Shift 0 · Q24

JEE MainChemistrySome Basic Concepts of ChemistryMCQ+4 / −1
1 gram of a carbonate (M2CO3M_2CO_3M2​CO3​) on treatment with excess HClHClHCl produces 0.01186 mole of CO2CO_2CO2​. The molar mass of M2CO3M_2CO_3M2​CO3​ in g mol–1 is:
  1. A
    84.3
  2. B
    118.6
  3. C
    11.86
  4. D
    1186
PreviousNext

More from Some Basic Concepts of Chemistry

  • The amount of arsenic pentasulphide that can be obtained when 35.5 g arsenic acid istreated with excess H2​S in the presence of conc. HCl ( assuming 100% conversion) is :2016 · MCQ
  • An organic compound contains C, H and S. The minimum molecular weight of the compound containing 8% sulphur is : (atomic weight of S = 32 amu)2016 · MCQ
  • The molecular formula of a commercial resin used for exchanging ions in water softening is C8​H7​SO3​Na (Mol. Wt. 206). What would be the maximum uptake of Ca2+ ions by the resin when expressed in mole per gram resin?2015 · MCQ
  • The ratio of masses of oxygen and nitrogen in a particular gaseous mixture is 1 : 4. The ratio of number of their molecule is:2014 · MCQ
  • The molarity of a solution obtained by mixing 750 mL of 0.5 (M) HCl with 250 mL of 2(M) HCl will be:2013 · MCQ
  • Experimentally it was found that a metal oxide has formula M0.98O. Metal M, present as M2+ and M3+ in its oxide. Fraction of the metal which exists as M3+ would be2013 · MCQ
  • A gaseous hydrocarbon gives upon combustion 0.72 g of water and 3.08 g of CO2​. The empirical formula of the hydrocarbon is2013 · MCQ
  • The density of a solution prepared by dissolving 120 g of urea (mol. Mass = 60 u ) in 1000g of water is 1.15 g/mL. The molarity of this solution is :2012 · MCQ