Question

44 Can't be predicted The volume of Co, produced at STP when 4.29 of MgCO3 is decomposed. (Atomic mass of Mg = 24) MgCO3 - 4 MgO + CO2 (1) 2.24 L (2) 5.6 L (BY1.12 L (4) 1.68 L

JEE/Engineering Exams

Chemistry

Solution

190

4.0 (1 ratings)

( M g C O_{3} Delta rightarrow M g O+C O_{2} ) ( M_{M g} omega_{3} rightarrow 24+12+48=84 g ) ( n=frac{4 cdot 2 g}{84 g} rightarrow frac{1}{20} m o t ) At stp, imwerf ( c 0,=22.4 l ) ( 50, frac{1}{20} operatorname{mos} rightarrow frac{1}{20} times 224 l ) [ =1 cdot 12 l ] So, Ans