Which one of the following can differentitate between C₂H₅OH and CH₃OH
Options
(a) H₂O (b) HCl (c) I₂ + KOH (d) NH₃
Correct Answer:
I₂ + KOH
Explanation:
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Iodoform test is not given by
Options
(a) acetic acid (b) ethyl alcohol (c) acetone (d) none of these
Correct Answer:
acetic acid
Explanation:
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Which of the following compounds has the highest boiling point
Options
(a) CH₃CH₂CH₂Cl (b) CH₃CH₂CH₂CH₂Cl (c) CH₃CH(CH₃)CH₂Cl (d) (CH₃)₃CCl
Correct Answer:
CH₃CH₂CH₂CH₂Cl
Explanation:
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According to IUPAC nomenclature sodium nitroprusside is named as
Options
(a) sodium nitroferricyanide (b) sodium nitroferrocyanide (c) sodium pentacyanonitrosyl ferrate (II) (d) sodium pentacyanonitrosyl ferrate (III)
Correct Answer:
sodium pentacyanonitrosyl ferrate (II)
Explanation: […]
dsp² hybridisation is found in
Options
(a) [NiCl₄]²⁻ (b) [CoCl₄]²⁻ (c) [CuCl₄]³⁻ (d) [CuCl₄]²⁻
Correct Answer:
[CoCl₄]²⁻
Explanation:
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General electronic configuration of lanthanides is
Options
(a) (n – 2) f¹⁻¹⁴ (n – 1) s²p⁶d⁰⁻¹ ns² (b) (n – 2) f¹⁰⁻¹⁴ (n – 1) d⁰⁻¹ ns² (c) (n – 2)f⁰⁻¹⁴ (n – 1)d¹⁰ […]
Which of the following is not an actinide
Options
(a) Uranium (b) Curium (c) Californium (d) Erbium
Correct Answer:
Erbium
Explanation:
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When iodine is dissolved in CCl₄, the resulting colour is
Options
(a) brown (b) violet (c) yellow (d) bluish green
Correct Answer:
violet
Explanation:
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The process which is catalysed by one of the products is called
Options
(a) negative catalysis (b) acid-base catalysis (c) positive catalysis (d) auto-catalysis
Correct Answer:
auto-catalysis
Explanation:
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Which one of the following method, is commonly used method for destruction of colloid
Options
(a) dialysis (b) condensation (c) filteration by animal membrane (d) by adding electrolyte
Correct Answer:
by adding electrolyte
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