(1). When the hybridization state of carbon atom changes from sp3, sp2 and sp the angle between the hybridized orbitals

• (a). decreases considerably
• (b). increases considerably
• (c). decreases progressively
• (d). all of these
• (e). None of these

(2). The isomerism exhibited by n-butyl alcohol and iso-butyl alcohol is

• (a). metamerism
• (b). positional
• (c). functional
• (d). chain
• (e). None of these

(3). o-hydroxytoluene and benzyl alcohol are

• (a). position isomers
• (b). functional isomers
• (c). chain isomers
• (d). All of these
• (e). None of these

(4). 0.58 g of hydeocarbon on combustion gave 0.9 g water. the percentage of carbon is about

• (a). 75.8
• (b). 82.7
• (c). 27.85
• (d). 68.8
• (e). None of these

• (a). 2,4- dimethylhexanone-3
• (b). 2,6-dimethylheptanone-4
• (c). 2,6-dimethylhexanone-4
• (d). 2,6-dimethylheptanone-5
• (e). None of these

• (a). resonating structures
• (b). tautomers
• (c). geometrical
• (d). optical isomers
• (e). None of these

• (a). 1
• (b). 2
• (c). 3
• (d). 4
• (e). None of these

• (a). 1
• (b). 2
• (c). 3
• (d). 4
• (e). None of these

• (a). 4-methylpent-2-yne
• (b). 4,4-dimethylbut-2-yne
• (c). iso- propylmethylacetylene
• (d). 2- methylpent-2-yne
• (e). None of these

• (a). 19:2
• (b). 18:11
• (c). 70:17
• (d). 1:7
• (e). None of these