Allyl chloride on dehydrochlorination gives
Options
(a) propadiene (b) propylene (c) allyl alcohol (d) acetone
Correct Answer:
propadiene
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Which of the following is currently used as a tyre cord
Options
(a) Terylene (b) Polyethylene (c) Polypropylene (d) Nylon-6,6
Correct Answer:
Nylon-6,6
Explanation:
No explanation available. Be the first to write the […]
Benzoic acid,when heated with soda lime yields
Options
(a) benzaldehyde (b) benzene (c) toluene (d) benzyl alcohol
Correct Answer:
benzene
Explanation:
No explanation available. Be the first to write the explanation for […]
Lanthanide contraction is due to increase in
Options
(a) shielding by 4f electrons (b) atomic number (c) effective nuclear charge (d) size of 4f orbital
Correct Answer:
effective nuclear charge
Explanation:
As we […]
Chlorine dioxide is best prepared by passing dry
Options
(a) chlorine gas over hot HgO (b) chlorine and oxygen gas over hot Pt catalyst (c) hydrogen chloride and oxygen over silver oxide (d) […]
Carnallite on electrolysis gives
Options
(a) Ca and Cl₂ (b) Na and CO₂ (c) Al and Cl₂ (d) K and Cl₂
Correct Answer:
K and Cl₂
Explanation:
Carnallite is an ore of potassium: […]
75% of a first order reaction was completed in 32 min.When was 50% of the reaction completed
Options
(a) 16 min (b) 24 min (c) 8 min (d) 4 min
Correct Answer:
16 […]
Specific conductance of 0.1 M nitric acid is 6.3 ˣ 10⁻² ohm⁻¹ cm⁻¹.The molar conductance of solution is
Options
(a) 630 ohm⁻¹ cm² mol⁻¹ (b) 315 ohm⁻¹ cm² mol⁻¹ (c) 100 ohm⁻¹ cm² […]
Assembly of two subunits, 40S and 60S of the ribosome is
Options
(a) 100 S (b) 80 S (c) 70 S (d) 50 S
Correct Answer:
80 S
Explanation:
No explanation available. Be […]
Ozone is formed in the upper atmosphere from oxygen by the action of
Options
(a) ultraviolet rays (b) cosmic rays (c) free radicals (d) nitrogen oxides
Correct Answer:
ultraviolet rays
Explanation:
No explanation […]
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