Q.1: Which of the following is not a saturated hydrocarbon?

  (a) Cyclohexane (b) benzene (c) butane (d) isobutane

Q.2: The bond between two identical nonmetallic atoms has a pair of electron?

  (a) Unequally shared between two atoms

  (b) Transferred completely from one atom to another

  (c) With identical spins

  (d) Equally shared between them

Q.3: Covalent compounds are generally –

  (a) Soluble in water (b) insoluble in water

  (c) Ionize in water (d) hydrolyse in water

Q.4: Which amongst the following is an unsaturated hydrocarbon?

  (a) Cyclobutane (b) Propane (c) Propyne (d) Hexane.

Q.5: The number of structural isomers possible for pentane is –

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

Q.6: Which of the following substance is added to denature Ethanol?

  (a) Methanol (b) pyridine (c) copper sulphate (d) all of these

Q.7: Which of the following is not an allotropic form of carbon?

  (a) Fluorine (b) fullerene (c) diamond (d) graphite

Q.8: Which of the following represents the correct deceasing order of hydrogen atoms?

  (a) Alkanes, alkenes, alkynes (b) alkanes, alkynes, alkenes

  (c) Alkenes, alkynes, alkanes (d) alkynes, alkanes, alkenes

Q.9: Compounds having same molecular formula but different structural formula are called –

  (a) Isotopes (b) Homologous (c) Isomers (d) Isobars

Q.10: The suffix used for naming an aldehyde is

  (a) Ol (b) al (c) one (d) ene.