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A (Predominantly) is (CBSE AIPMT 2008) (a) (b) (c) (d)
Which of the following statement(s) is/are correct regarding structure of benzene? I. All the six carbons in benzene are sp2 hybridised. II. sp2 hybridised orbital of carbon combines with another sp2 hybridised orbi…
X-ray diffraction study of benzene reveals that I. It is a planar molecule. II. C–C bond lengths are of the same order which is intermediate between C–C single bond and C–C double bond, III. Benzene is reluctant to…
Any ring system will be ‘aromatic’ in nature if it possesses: I. planarity. II. complete delocalisation of the electrons in the ring. III. it follows Huckel Rule. Choose the correct option.
The IUPAC name of is
Which is most acidic of the following ?
Which of the following reacts with KMnO4 but does not react with AgNO3?
Identify a reagent from the following list which can easily distinguish between 1-butyne and 2-butyne.
The common name and JUPAC name of are respectively
Which of the following organic compounds exhibit acidic character ? (a) (b) (c) (d)
Predict the product of the reaction 1-butyne with 2 equivalents of HCl (a) (b) (c) (d)
Acetylene on treating with Cu2Cl2 gives
1-butyne on oxidation with hot alkaline KMnO4 would yield
Choose the reagent to carry out the reaction.
How many isomers of 1, 2- dibromobenzene are possible according to Kekule?
Base strength of iii ii i H CCH , H C CHand H C C is in the order of (AIPMT 2008)
Predict the correct intermediate and product in the following reaction: (NEET 2017) (a) (b) (c) (d)
Alkynes are ...A... polar in nature. Here, A refers to
Acetylene does not react with
When propyne is treated with aqueous H2SO4 in presence of HgSO4, the major product is
Products of the following reaction (i) O3 CH C C – CH CH ........ are (ii) Hydrolysis -> (a) CH CHO CH CH CHO (b) CH COOH CH COCH (c) CH COOH HOOC CH CH x (d) CH COOH CO
In the following reaction, What is X ?
Which of the following will give H2 gas with Na ?
Hydrocarbon (A) reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to gaseous hydrocarbon containing less than four carbon atoms. (A) is (NEET 2018)
Which is the most suitable reagent among the following to distinguish compound (3) from rest of the