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In which of the following compounds, the bond length between two hybridised carbon atoms is minimum ?

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Important Questions on Unsaturated Hydrocarbons- Alkynes

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The reaction(s) leading to the formation of 1, 3, 5-trimethylbenzene is (are)
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The pair of electron in the given carbanion, CH3C≡C⊖  is present in which of the following orbitals?
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What is the IUPAC nomenclature of the given compound ?

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The stability order of the given alkenes is

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Which of the following compounds contain all the carbon atoms in the same hybridisation state
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Which of the following is an alicyclic hydrocarbon?
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The number of primary, secondary, tertiary and quaternary carbons in neopentane are respectively:
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What is the general formula of the alkyne series?
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Number of primary carbon atoms present in 3-Ethyl-2,4-dimethylheptane is ?
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What is the IUPAC name for the following compound?

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Mustard gas among the following is
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What is the special feature of the structure of ethyne?
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Among the following reactions, the reaction that "does not" give alkane product is
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Which among the following depicts the correct order of acidity?

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The structure of 3-methylpent-2-ene is

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The IUPAC name of the following compound is
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Arrange the following CH3+,CH4 and CH3- in order of increasing H-C-H bond angles 
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Identify the number of secondary carbon atoms in glucose.
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Al4C3, Mg2C3 and CaC2 are separately treated with water. The organic products formed respectively, are -
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Phenylacetylene on treatment with HgSO 4 /H 2 SO 4 ,  H 2 O produces