List of top Chemistry Questions on Allotropes of carbon

\(X\), \(Y\) and \(Z\) are three allotropes of carbon. They are used in black ink, in water filters and as reducing agent in metallurgy respectively. The correct statement about their production is

Which allotrope of carbon is thermodynamically most stable?

The hardest form of carbon is:

Species having carbon with sextet of valence electron and acts as an electrophile is:

Which of the following compound(s) is/are chiral?

Graphite is a good conductor of electricity due to the presence of-

Match the following

The allotrope of carbon which is used as an abrasive for sharpening hard tools is

Amorphous allotrope of carbon is

The hybridizations of carbon in graphite, diamond and \(C_{60}\) are respectively

The allotrope of carbon formed when hydrocarbons are burnt in limited supply of air is:

Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Activated charcoal adsorbs \(SO_2\) more efficiently than \(CH_4\).
Reason R: Gases with lower critical temperatures are readily adsorbed by activated charcoal.
In the light of the above statements, choose the correct answer from the options given below.

In the titration of KMnO₄ and oxalic acid in acidic medium, the change in oxidation number of carbon at the end point is _____.

The number of six membered and five membered rings in Buckminster Fullerence respectively is

Which of the following is not allotrope of carbon

Thermodynamically, in which form of carbon is the most stable?

Which element from following exhibits the highest number of allotropes?

Which of the following structure is similar to graphite ?

Sodium Carbonate cannot be used in place of $(NH_4)_2CO_3$ for the identification of $Ca^{2+},\, Ba^{2+}$ and $Sr^{2+}$ ions (in group V) during mixture analysis because :

Which of the following is similar to graphite?