Which of the following member of the carbon family does not have an allotrope?

S i

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S n

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C

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G e

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Solution

The correct option is D $G e$
In carbon family only carbon, silicon and tin forms allotrope. Carbon has multiple allotrope, Silicon has two known allotropes that exist at room temperature and Tin also has two allotropes.Ge does not have an allotrope.

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Q. Fullerene, an allotrope of carbon, has 60 carbon atoms joined together and no other element in it. There are various types of fullerenes.

C_{60}, C_{70}, C_{74}

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Q. Which of the following is not an allotrope of carbon?

S n, C,

and

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Q. Which of the following is not considered to be an allotrope of carbon?

Carbon, silicon and germanium have four valence electrons each. These are characterised by valence and conduction bands separated by energy band gap respectively equal to (Eg)C, (Eg)Si and (Eg)Ge. Which of the following statements is true? (a) (Eg)Si < (Eg)Ge < (Eg)C

(b) (Eg)C< (Eg)Ge > (Eg)Si

(d) (Eg)C= (Eg)Si = (Eg)Ge

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Which of the following member of the carbon family does not have an allotrope?

The correct option is D GeIn carbon family only carbon, silicon and tin forms allotrope. Carbon has multiple allotrope, Silicon has two known allotropes that exist at room temperature and Tin also has two allotropes.Ge does not have an allotrope.

The correct option is D $G e$
In carbon family only carbon, silicon and tin forms allotrope. Carbon has multiple allotrope, Silicon has two known allotropes that exist at room temperature and Tin also has two allotropes.Ge does not have an allotrope.