Which of the following compounds exhibits linkage isomerism
Options
(a) [Co(en)₃]Cl₃ (b) [Co(NH₃)₆][Cr(en)₃] (c) [Co(en)₂(NO₂)Cl]Br (d) [Co(NH₃)₅Cl]Br₂
Correct Answer:
[Co(en)₂(NO₂)Cl]Br
Explanation:
This type of isomerism occurs in complex compounds which contain ambidentate […]
Oxidation number of Fe in Fe(CO)₅ is
Options
(a) zero (b) 2 (c) -1 (d) 4
Correct Answer:
zero
Explanation:
No explanation available. Be the first to write the explanation for this question […]
The amphoteric oxide is
Options
(a) Mn₂O₇ (b) MnO (c) MnO₂ (d) Mn₂O₃
Correct Answer:
MnO₂
Explanation:
(i) Oxides in lower oxidation states are basic in nature. (ii) Oxides in intermediate oxidation states […]
The reaction that takes place when Cl₂ gas is passed through conc.NaOH solution is
Options
(a) oxidation (b) reduction (c) displacement (d) disproportionation
Correct Answer:
disproportionation
Explanation:
3Cl₂ + 6NaOH → 5NaCl + […]
Atoms in a P₄ molecule of white phosphorus are arranged regularly in the following way
Options
(a) at the corners of a cube (b) at the corners of an octahedron (c) at the […]
When conc. H₂SO₄ is added to dry KNO₃, brown fumes are evolved. These fumes are of
Options
(a) SO₂ (b) SO₃ (c) NO (d) NO₂
Correct Answer:
NO₂
Explanation:
When heated with conc. H₂SO₄ […]
Packing efficiency of hcp structure is
Options
(a) 68% (b) 52.40% (c) 74% (d) 82%
Correct Answer:
74%
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Glucose molecule reacts with X number of molecules of phenylhydrazine to yield osazone.The value of X is
Options
(a) two (b) one (c) four (d) three
Correct Answer:
three
Explanation:
No explanation available. […]
Volume concentration of 1.5 N H₂O₂ is
Options
(a) 1.5 (b) 4.5 (c) 16.8 (d) 8.4
Correct Answer:
8.4
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Miller and Urey performed an experiment to prove the origin of life. They took gases NH₃ and H₂ alongwith
Options
(a) N₂ and H₂O (b) CH₄ and N₂ (c) H₂O and CH₄ (d) […]
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