Analytical Chemistry & Numerical MCQ Test 2 _ Makox MCQs

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Analytical Chemistry & Numerical MCQ Test 2 | Makox MCQs

Makox MCQs

Analytical Chemistry & Numerical MCQ Test 2 Analytical Chemistry & Numerical MCQ Test 2 1. Aqua-regia is (a) 1 part conc. HCl and 3 parts conc. HNO3 (b) 3 part conc. HCl and 1 part conc. HNO3 (c) 2 parts conc. HCl and 1 part conc. HNO3 (d) 3 parts conc. HCl and 2 parts conc. HNO3 2. In qualitative inorganic analysis of basic radicals, HCl is preferred to HNO3, for preparing a solution of given substance. This is because (a) Nitrates are not decomposed to sulphides (b) Nitric acid contains nitrogen (c) Hydrochloric acid is not an oxidizing agent mcqs.makox.com/chemistry/analytical-chemistry-numerical/analytical-chemistry-numerical-mcq-test-2/

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Analytical Chemistry & Numerical MCQ Test 2 | Makox MCQs

(d) Chlorides are easily converted to sulphides 3. On heating a mixture of NaCl potassium dichromate with conc. H2 SO4, the compound formed is (a) Chromic chloride (b) Chromyl chloride (c) Chlorine dioxide (d) Chromic acid 4. Nitrae is confirmed by Ring test. The brown colour of the ring is due to the formation of (a) Ferrous nitrite (b) Ferrous nitrate (c) FeSO4. NO (d) FeSO4. NO2 5. Mark the compound which turn black with NH4 OH (a) Lead chloride (b) Mercurous chloride (c) Mercuric chloride mcqs.makox.com/chemistry/analytical-chemistry-numerical/analytical-chemistry-numerical-mcq-test-2/

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Analytical Chemistry & Numerical MCQ Test 2 | Makox MCQs

(d) Silver chloride 6. Silver Halide which is least soluble in NH4 OH is (a) AgBr (b) AgF (c) AgCl (d) Agl 7. When dil. HCl is added to a white salt an effervescence is obtained and a colourless an odourless gas is obtained. A white ppt. is also formed which dissolves on heating. The salt is ? (a) AgNO3 (b) Pb(NO3)2 (c) PbCO3 (d) Hg2 (NO3)2 8. Which of the following sulphides is not soluble in hot dil HNO3? (a) CuS (b) ZnS

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Analytical Chemistry & Numerical MCQ Test 2 | Makox MCQs

(c) NiS (d) CdS 9. Which of the sulphide is yellow (a) ZnS (b) CdS (c) NiS (d) PbS 10. II B sub-group of basic radicals consists of (a) As, Cd and Hg (b) Zn, Cd and Hg (c) Cu, Hg and Au (d) As, Sb and Sn Answer Keys: 1. (b) 2. (c) 3. (b) 4. (c) 5. (b) 6. (d) 7. (c) 8. (c) 9. (b) 10. (d)

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Analytical Chemistry & Numerical MCQ Test 2 | Makox MCQs

1. Analytical Chemistry & Numerical MCQ Test 1 2. Nitrogen Family (V – A Group) MCQ Test 5 3. Analytical Chemistry & Numerical 4. Nitrogen Family (V – A Group) MCQ Test 1

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