JEE Main & Advanced Chemistry Analytical Chemistry Question Bank Volumetric Analysis

  • question_answer
    The weight of a residue obtained by heating 2.76 g of silver carbonate is [Pb. PMT 2004]

    A) 2.76 g

    B) 2.98 g

    C) 2.16 g

    D) 2.44 g

    Correct Answer: C

    Solution :

    \[2A{{g}_{2}}C{{O}_{3}}\] \[\xrightarrow{\Delta }\] \[4Ag+2C{{O}_{2}}+{{O}_{2}}\] [(2 × 108) + 12 + 48] 4 × 108 2(216 + 12 + 48) 4 × 108 2 × 276 = 552 4 × 108 \[\because \] 552 gm silver carbonate gives silver = 432 gm. \ 2.76 gm silver carbonate gives \[\frac{432\times 2.76}{552}2.16gm\]


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