Related InterviewSolutions

• An organic compound which produces a bluish green colored flame on heating in the presence of copper isA. benzaldehydeB. benzoic acidC. anilineD. Chlorobenzene
• The reaction of nitroprusside anion with sul- phide ion gives purple colouration due to the formation ofA. the tetranionic complex of iron (II) coordinating to one `NOS^(-)` ionB. the dianionic complex of iron (II) coordinating to one `NCS^(-)` ionC. the trianionic complex of iron (III) coordinating to one `NOS^(-)` ionD. the tetranionic complex of iron (III) coordinating to one `NCS^(-)` ion
• `0.30g` of an organic compound containing `C, H`, and `O` an combustion yields `0.44g` of `CO_(2)` and `0.18g` of `H_(2) O`. If its molecular mass is `60 mu` the molecular mass is formula will be
• `0.0833 `mol of carbohydrate of empirical formula `CH_(2)O` contain `1 g ` of hydrogen. The molecular formula of the carbohydrate isA. `C_(5)H_(10)O_(5)`B. `C_(3)H_(4)O_(3)`C. `C_(12)H_(22)O_(11)`D. `C_(6)H_(12)O_(6)`
• A gaseous hydrocarbon gives upon combustion `0.72g` of water and `3.08g` of `CO_(2)`. The empirical formula of the hydrocarbon isA. `C_(7)H_(8)`B. `C_(2)H_(4)`C. `C_(3)H_(4)`D. `C_(6)H_(5)`
• Empirical formula of a compound is `CH_(2)O` and its molecular mass is 90. The molecular formula of the compound isA. `C_(3)H_(6)O_(3)`B. `C_(2)H_(4)O_(2)`C. `C_(6)H_(12)O_(6)`D. `CH_(2)`
• `0.256` g of some nitrogenous compound was kjeldahlised and produced `0.155` g of ammonia. The % of nitrogen in the organic compound is approximatelyA. 5B. 30C. 50D. 80
• Which of the following reagents is used for the separation of acetaldehyde from acetophenone?A. `NH_(2)OH`B. `NaOHI_(2)`C. `NaHSO_(3)`D. `C_(6)H_(5)NHNH_(2)`
• In an organic compound, the phosphorus is estimated as:A. `Mg_(2)P_(2)O_(7)`B. `Mg_(3)(PO_(4))_(2)`C. `H_(3)PO_(4)`D. `P_(2)O_(5)`
• Equivalent mass of an organic acid can be determined by :A. silver salt methodB. cryoscopic methodC. ebullioscopic methodD. platinichloride method