Which of the following gives propyne on hydrolysis
Options
(a) Al₄C₃ (b) Mg₂C₃ (c) B₄C (d) La₄C₃
Correct Answer:
Mg₂C₃
Explanation:
No explanation available. Be the first to write the explanation for this […]
The dipole moment is the highest for
Options
(a) trans-2-butene (b) 1,3-dimethylbenzene (c) acetophenone (d) ethanol
Correct Answer:
acetophenone
Explanation:
The value of dipole moment of acetophenone is 3 debye,which is maximum among […]
Which of the following is a chiral compound
Options
(a) Hexane (b) n-butane (c) Methane (d) 2,3,4-trimethyl hexane
Correct Answer:
2,3,4-trimethyl hexane
Explanation:
No explanation available. Be the first to write the explanation […]
Rate determining step in nitration of benzene is
Options
(a) formation of NO₂⁺ (b) formation of carbocation (c) replacement of H atom (d) none of these
Correct Answer:
formation of carbocation
Explanation:
The […]
Toluene can be oxidised to benzoic acid by
Options
(a) H₂SO₄ (b) KMnO₄ (c) K₂Cr₂O₇ (d) both (KMnO₄) and (K₂Cr₂O₇)
Correct Answer:
both (KMnO₄) and (K₂Cr₂O₇)
Explanation:
No explanation available. Be the first […]
Among the given compounds, one which can be distinguished by AgNO₃ is
Options
(a) ethane (b) ethylene (c) acetylene (d) diethyl ether
Correct Answer:
acetylene
Explanation:
Acetylene when passed through an ammoniacal solution […]
Octane number can be changed by
Options
(a) isomerisation (b) alkylation (c) cyclisation (d) all of these
Correct Answer:
all of these
Explanation:
No explanation available. Be the first to write the explanation […]
‘The addition of unsymmetrical reagents to unsymmetrical alkenes occurs in such a way that the negative part of the addendum goes to that carbon atom of the double bond which carries lesser number of hydrogen […]
Which of the following yield both alkane and alkene
Options
(a) Kolbe’s reaction (b) Williamson’s synthesis (c) Wurtz reaction (d) Sandmeyer reaction
Correct Answer:
Kolbe’s reaction
Explanation:
No explanation available. Be the first […]
Gobar gas contains
Options
(a) methane (b) ethane (c) propane (d) butane
Correct Answer:
methane
Explanation:
Gober gas mainly contains lower alkanes. It contains about 80% methane . 10% ethane and the remainning […]
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