Molecule in which the distance between the two adjacent carbon atoms is largest is
Options
(a) ethane (b) ethene (c) ethyne (d) benzene
Correct Answer:
ethane
Explanation:
No explanation available. Be the first […]
In Lassaigne’s test a violet colour obtained indicates the presence of
Options
(a) nitrogen (b) sulphur (c) halogen (d) none of the above
Correct Answer:
sulphur
Explanation:
S + 2Na → Na₂S. Na₂S […]
Nitrogen in an organic compound can be estimate by
Options
(a) Kjeldahl’s method (b) Carius method (c) Victor Meyer’s method (d) Lassaigne’s method
Correct Answer:
Kjeldahl’s method
Explanation:
Nitrogen can be estimated […]
Which of the following compounds is isomeric with 2,2,4,4-tetramethylhexane
Options
(a) 3-ethyl-2,2-dimethylpentane (b) 4-isopropylheptane (c) 4-ethyl-3-methyl-4-n-propyloctaen (d) 4,4-diethyl-3-methylheptane
Correct Answer:
4-isopropylheptane
Explanation:
No explanation available. Be the first to write the explanation for […]
Among the following compounds the one that is most reactive towards electrophilic nitration is
Options
(a) benzoic acid (b) nitrobenzene (c) toluene (d) benzene
Correct Answer:
toluene
Explanation:
No explanation available. Be the […]
In Dumas’ method of estimation of nitrogen 0.35 g of an organic compound gave 55 mL of nitrogen collected at 300 K temperature and 715 mm pressure. The percentage composition of nitrogen in the compound […]
Which of the following species is not electrophilic in nature
Options
(a) Cl⁺ (b) BH₃ (c) H₃O⁺ (d) NO₂⁺
Correct Answer:
H₃O⁺
Explanation:
No explanation available. Be the first to write the explanation […]
Which one is most reactive towards SN1 reaction
Options
(a) C₆H₅CH(C₆H₅)Br (b) C₆H₅CH(CH₃)Br (c) C₆H₅C(CH₃)(C₆H₅)Br (d) C₆H₅CH₂Br
Correct Answer:
C₆H₅C(CH₃)(C₆H₅)Br
Explanation:
No explanation available. Be the first to write the explanation for this […]
The best method for the separation of naphthalene and benzoic acid from their mixture is
Options
(a) distillation (b) sublimation (c) chromatography (d) crystallisation
Correct Answer:
sublimation
Explanation:
Sublimation method is used […]
In steam distillation of toluene, the pressure of toluene in vapour is
Options
(a) equal to pressure of barometer (b) less than pressure to barometer (c) equal to vapour pressure of toluene in […]
2017-2025 Copyright Doctor Dreams Training Academy - About Us - Privacy Policy - Terms & Conditions - Contact Us - Refund Policy