To prepare a pure sample on n-hexane using sodium metal as one reactant, the other reactant or reactants will be
Options
(a) ethyl chloride and n-butyl chloride (b) ethyl chloride and n-butyl bromide […]
Which of the following halides is the most stable
Options
(a) CF₄ (b) CI₄ (c) CBr₄ (d) CCl₄
Correct Answer:
CF₄
Explanation:
No explanation available. Be the first to write the explanation for […]
Crystal field stabilization energy for high spin d⁴ octahedral complex is
Options
(a) -1.8 Δ₀ (b) -1.6 Δ₀ + P (c) -1.2 Δ₀ (d) -0.6 Δ₀
Correct Answer:
-0.6 Δ₀
Explanation:
No explanation […]
The coordination number and oxidation state number of Cr in K₃ Cr (C₂O₄)₃ are respectively
Options
(a) 3 and +3 (b) 3 and 0 (c) 6 and +3 (d) 4 and +2
Correct […]
Four successive members of the first row transition elements are listed below with their atomic numbers.which one of them is expected to have the highest third ionisation enthalpy
Options
(a) Vanadium (Z = […]
Mercurous chloride exists in the form of
Options
(a) Hg⁺ (b) Hg₂²⁺ (c) Hg²⁺ (d) Hg₃²⁺
Correct Answer:
Hg₂²⁺
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Which of the following oxides of nitrogen is paramagnetic
Options
(a) NO₂ (b) N₂O₃ (c) N₂O (d) N₂O₅
Correct Answer:
NO₂
Explanation:
No explanation available. Be the first to write the explanation for […]
Which of the following has ability to release bromine from potassium bromide
Options
(a) Iodine (b) Bromine (c) Fluorine (d) SO₂
Correct Answer:
Fluorine
Explanation:
No explanation available. Be the first to write […]
In the manufacture of sulphuric acid by contact process, Tyndall box is used to
Options
(a) filter dust particles (b) remove impurities (c) convert SO₂ to SO₃ (d) test the presence of dust […]
When a common salt is added to the saponified product of oil, the soap is thrown out because
Options
(a) common salt is an ionic compound (b) conc.of sodium ion is increased (c) […]
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