Q1. Which of the following is not a saturated hydrocarbon ?
i) Cyclohexane. ii) Benzene.
iii) Butane iv) isobutene
Q2.The bond between two identical non metallic atom has a pair of electron ?
i) unequally shared between two atoms.
ii) Transferred completely from one atom to another.
iii) With identical spins
iv) Unequally shared between them.
Q3. Covalent compounds are generally
i) Soluble in water ii) Insoluble in water
iii) Ionize in water iv) Hydrolyse in water
Q4. Propane with the molecular formula C3H8 has
i)7covalent bonds ii)8 covalent bonds
iii)9 covalent bonds iv) 10 Covalent bonds.
Q5. A hydrocarbon reacts with ammonical cuprous chloride solution to form a red precipitate .
The hydrocarbon is
Q6.Which of the following substance is added to denature Ethanol ?
iii)copper sulphate iv)all of them
Q7. Which of the following is not an allotropic form of carbon
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