Group III and IV Cations

JEE Main Chemistry · Qualitative Salt Analysis · 12 questions, latest first

• Among Fe^3+, Pb^2+, Cu^2+ and Mn^2+, identify the one that gets precipitated out while passing H_2 S in presence of NH_4 OH as…20264 April, Shift 2 · Q69
• Choose the correct tests with respective observations. CuSO_4 (acidified with acetic acid) +K_4[Fe(CN)_6] → Chocolate brown…20252 April, Shift 1 · Q62
• Find the compound 'A' from the following reaction sequences. A → aqua-regia B →[ (2) AcOH ] (1) KNO_2 ∣ NH_4 OH yellow ppt202524 January, Shift 2 · Q59
• Among the following cations, the number of cations which will give characteristic precipitate in their identification tests with…202524 January, Shift 1 · Q75
• Consider the following test for a group-IV cation. M^2++H_2 S → A( Black precipitate )+ byproduct; A+ aqua regia → B+NOCl+S+H_2…20249 April, Shift 2 · Q87
• Consider the following reactions NiS+HNO_3+HCl → A+NO+S+H_2 O The number of protons that do not involve in hydrogen bonding in…20246 April, Shift 2 · Q87
• Given below are two statements: Statement (I): Dimethyl glyoxime forms a six-membered covalent chelate when treated with NiCl_2…20241 February, Shift 2 · Q80
• A reagent which gives brilliant red precipitate with Nickel ions in basic medium is202429 January, Shift 2 · Q79
• Match List I with List II Choose the correct answer from the options given below:202311 April, Shift 2 · Q73
• A solution of FeCl_3 when treated with K_4[Fe(CN)_6] gives a prussiun blue precipitate due to the formation of20231 February, Shift 1 · Q43
• In the wet tests for identification of various cations by precipitation, which transition element cation doesn't belong to group…202330 January, Shift 1 · Q39
• An ammoniacal metal salt solution gives a brilliant red precipitate on addition of dimethylglyoxime. The metal ion is:202324 January, Shift 1 · Q49