Which one of the following hydrocarbons has octane number 100?
2, 2, 3-trimethylpentane
2, 3, 3-trimethylpentane
2, 2, 4-trimethylpentane
2, 3, 4-trimethylpentane
Which one of the following is the best reagent to accomplish the following conversion ?
NaBH3
Na|ether
Zn|C2H5OH
Mg followed by H3O+
Propyne and propene can be distinguished by
conc. H2SO4
Br2 in CCl4
dil. H2SO4
AgNO3 in ammonia
C2H5Cl . This method is
Wurtz synthesis
Kolbe synthesis
Corey House synthesis
Friedel-Craft synthesis
C.
Corey House synthesis
The reaction is known as Corey House synthesis for alkanes. (symmetrical and unsymmetrical both ).
One of the isomer of the 5th member of alkyne series is optically active. It is
4-methyl pent-2-yne
3-methyl pent-1-yne
4-methyl pent-1-yne
3, 3-dimethyl but-1-yne
Acetylene and HCHO react in presence of copper acetylide catalyst to form
But-2-yne-1, 2-diol
But-1-yne-1, 4-diol
But-2-ene-1, 4-diol
2-butyne-1, 4-diol
Which of the following substance is not related with HVZ reaction?
α-bromo acetic acid
Zn/ Hg
Cl2
Red P
Which of the following compound show acidic nature?
but-1-yne
but-2-yne
but-1-ene
buta-1, 3-diene