Everyday Science MCQs

5120 MCQs  (Page 264 of 512)

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Molozonide is unstable and changes into ozonide on_________________?
A. Reduction
B. Oxidation
C. Hydrolysis
D. Rearrangement
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R-Mg-Br is called___________________?
A. Grignard reagent
B. Metallic alkyl halide
C. Both a & b
D. Alkyl
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Which of the following is the most reactive_________________?
A. Ethane
B. Ethyne
C. Ethene
D. Benzene
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Introduction of nitro group in a molecule is called___________________?
A. Nitration
B. Halogenation
C. Sulphonation
D. Amination
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The gas used in manufacturing of urea fertilizer__________________?
A. C2h6
B. C2h4
C. C2h2
D. Ch4
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Which of the following will be acidic_____________?
A. Propyne
B. 1-butyne
C. Ethyne
D. All of the above
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Alkenes are produced from dehalogenation of________________?
A. Dihalo alkane
B. Trihalo alkane
C. Vicinal dihalo alkane
D. Vicinal trihalo alkane
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In unsaturated hydrocarbons electrons favour___________________?
A. Less reactivity
B. Addition reactions
C. Substitution reactions
D. None
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Which one is Chloroform_________________?
A. Ch2cl2
B. Ch3cl
C. Chcl3
D. Ccl4
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Fluorine can react with_________________?
A. Xe
B. Kr
C. Rn
D. All of the above
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Word of the Day
25 Jul
January
a preference or special liking for something; a bias in favour of something.
2021:00:00

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