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Q.5
                     Assertion:  Carbon compounds can form chain, branched and ring
                     structures.
                     Reason: Carbon exhibits the property of catenation.

               Subjective-
             S.L                                    Questions                                     Ma Skill
             No.                                                                                  rk
             Q.1    Which element exhibits the property of catenation tomaximum                   1    R
                    extent and why?   [CBSE2016]
             Q.2                                                                                  1    u
                    Name  an  element,  other  than  carbon,  which  exhibits
                    property  of  catenation  up  to  seven  or  eight  atoms.  Arethese
                    compounds stable?           [CBSE 2015]

             Q.3                                                                                  3    R+A
                    Differentiate between diamond and graphite.


             Q.4    Give reasons for the following:                                               3    U+A
                    a. Element carbon forms compound mainly by covalent bonding.
                    b.   Diamond has high melting point.
                    c.   Graphite is good conductor of electricity.   [CBSE 2011]







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