The four bonds in methane are directed in space with an angle of
Options
(a) 109⁰28′ (b) 90⁰ (c) 120⁰ (d) 180⁰
Correct Answer:
109⁰28′
Explanation:
Four bonds in methane are directed towards the […]
Which of the following possible isomers of butanol has a chiral centre
Options
(a) CH₃CHOHCH₂CH₃ (b) (CH₃)₂CH.CH₂OH (c) (CH₃)₃C.OH (d) (CH₃)CH₂CH₂CH₂OH
Correct Answer:
CH₃CHOHCH₂CH₃
Explanation:
Chiral centre is an atom (mostly carbon) which […]
Electrolysis of aqueous solution of potassium fumarate or potassium maleate can yield the following mixture
Options
(a) ethane and ethyne (b) ethane and CO₂ (c) ethyne and CO₂ (d) ethane and ethene
Correct […]
Enantiomers
Options
(a) are not mirror images (b) are non-superimposable mirror images (c) are superimposable mirror images (d) constitute a mixture of compounds which are mirror images
Correct Answer:
are non-superimposable mirror images
Which of the following acids exhibits optical activity
Options
(a) Oxalic acid (b) Lactic acid (c) Acetic acid (d) Benzoic acid
Correct Answer:
Lactic acid
Explanation:
No explanation available. Be the first to […]
What is the composition of tear gas
Options
(a) Na₂S₂O₃.nH₂O (b) KCl.MgCl₂.24H₂O (c) K₄Fe(CN)₆ (d) CCl₃NO₂
Correct Answer:
CCl₃NO₂
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Ethyne can be oxidised to oxalic acid by using
Options
(a) chromic acid (b) alkaline KMnO₄ (c) hypochlorous acid (d) all reagents
Correct Answer:
alkaline KMnO₄
Explanation:
No explanation available. Be the first […]
In which of the following resonance will be possible
Options
(a) CH₂ = CH – CH₂ – CHO (b) CH₂ = CH – CHO (c) CH₃COCH₃ (d) CH₂ = CH – CH₂ – […]
Which one of the following reagents will be able to distinguish between 1-butyne and 2-butyne
Options
(a) NaNH₂ (b) HCl (c) O₂ (d) Br₂
Correct Answer:
NaNH₂
Explanation:
No explanation available. Be the […]
Liquid hydrocarbons are can be converted to a mixture of gaseous hydrocarbons by
Options
(a) oxidation (b) cracking (c) distillation under reduced pressure (d) hydrolysis
Correct Answer:
cracking
Explanation:
Cracking : The process […]
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