One of the following is not an allotrope of carbon. This is :
(a) diamond (b) graphite (c) cumene (d) buckminsterfullerene

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Solution

(c) cumene
Cumene is not an allotrope of carbon. Allotropes of carbon are diamond, graphite and buckminsterfullerene.

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One of the following is not an allotrope of carbon. This is : (a) diamond (b) graphite (c) cumene (d) buckminsterfullerene

(c) cumene Cumene is not an allotrope of carbon. Allotropes of carbon are diamond, graphite and buckminsterfullerene.

One of the following is not an allotrope of carbon. This is :
(a) diamond (b) graphite (c) cumene (d) buckminsterfullerene

(c) cumene
Cumene is not an allotrope of carbon. Allotropes of carbon are diamond, graphite and buckminsterfullerene.