Q.3 Acetylene on passing into excess of HOCl solution forms –

Q.8 Acetylene and ethylene reacts with alk. KMnO4 to give –

Q.9 3-Hexyne adds hydrogen in the presence of nickel boride to give –

Q.10 2-Butyne and 1-Butene show resemblance in all except –

Q.12 A mixture of nitrogen and acetylene, on passing electric spark through it gives –

Q.13 The order of reactivity of halogen acids on acetylene is –

Q.16 Acetylene when passed into methanol at 160o-200o in the presence of potassium methoxide gives :

Q.17 Acetylene when passed into a solution of cuprous chloride in ammonium chloride gives:

Q.19 Acetylene adds on diborane to form a vinylic borane which on treatment with alkaline hydrogen peroxides forms

Q.20 Degradation of propyne is affected by all except –

Q.21 1-Butyne and 2-Butyne can be distinguished by reaction with the following except –

Q.24 What is the product when large excess of HCl(g) is reacted with 2–butyne –

Q.27 Silver acetylide when heated with HCl gives–

Q.29 The reagent which converts a three carbon alkyne into a three carbon ketone is –

Q.30 Acetic acid is the only product of ozonolysis of –

Q.31 Ethylidene diacetate on strong heating produces -

Q.32 Which of the following reagents should be used to prepare CH3CH2CH2CHO from CH3CH2C =CH?

Q.36 Acetylene reacts with HCN in the presence of Ba(CN)2 to yield -

Q.1 1, 2-Dichloroethane is heated with KO (1 mole) in ethanol. The major product formed is

Q.2 Sodium propynide is allowed to react with 2-bromo-2-methylpropane. The major product formed is