Identify the correct statements from the following:

a. \(\mathrm{CO}_2(\mathrm{~g})\) is used as a refrigerant ice cream and frozen food.
b. The structure of \(\mathrm{C}_{60} \)  customs12 six carbon rings and 25 five carbon rings
c. ZSM-5, a type of zeolite, is used to convert alcohol into gasoline.
d. CO is a colorless and odorless gas.
 
1. (a) and (c) only 2. (b) and (c) only
3. (c) and (d) only 4. (a), (c) and (d) only
Subtopic:  Carbon Family - Preparations, Properties & Uses | Compounds of Carbon, Preparations, Properties & Uses |
 57%
From NCERT
NEET - 2020
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Which of the following oxide is amphoteric in nature?

1. SnO2

2. SiO2

3. GeO2

4. CO2

Subtopic:  Carbon Family - Preparations, Properties & Uses |
 66%
From NCERT
NEET - 2020
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The incorrect statement among the following is:

1.  SnF4 is ionic in nature.

2.  PbF4 is covalent in nature.

3.  SiCl4 is easily hydrolysed.

4.  GeX4 (X=F, Cl, Br, I) is more stable than GeX2

Subtopic:  Carbon Family - Preparations, Properties & Uses |
 62%
From NCERT
NEET - 2019
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Which of the following species is not stable?

1. SiCl62-

2. SiF62-

3. GeCl62-

4. SnOH62-

Subtopic:  Carbon Family - Preparations, Properties & Uses |
 58%
From NCERT
NEET - 2019
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The correct statement among the following is :

1. Sn2+ is an oxidizing agent while Pb4+ is a reducing agent.
2. Sn2+ and Pb2+ both are oxidizing agents.
3. Sn4+ is a reducing agent while Pb4+ is an oxidizing agent.
4. Sn2+ is a reducing agent while Pb4+ is an oxidizing agent.

Subtopic:  Carbon Family - Preparations, Properties & Uses |
 67%
From NCERT
NEET - 2017
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In which of the following pairs, both the species are not isostructural?

1. \(\mathrm{SiCl}_4, \mathrm{PCl}_4^{+}\)
2. Diamond, silicon carbide
3. \(\mathrm{NH}_3, \mathrm{PH}_3\)
4. \(\mathrm{XeF}_4, \mathrm{XeO}_4\)
 

Subtopic:  Carbon Family - Preparations, Properties & Uses |
 63%
From NCERT
NEET - 2015
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Silicate, among the following, has only one oxygen atom of \([SiO_4]^{4-}\) shared with the next unit:
1. Sheet silicate 2. Pyrosilicate
3. Three dimensional silicate 4. Linear chain silicate
Subtopic:  Carbon Family - Preparations, Properties & Uses |
 60%
From NCERT
AIPMT - 2011
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PbO2  PbO                     G298 <0
SnO2SnO                       G298 > 0

The most probable oxidation state of Pb & Sn will be:

1. Pb+4, Sn+4

2. Pb+4 , Sn+2

3. Pb+2 , Sn+2

4. Pb+2 , Sn+4

Subtopic:  Carbon Family - Preparations, Properties & Uses |
 73%
From NCERT
AIPMT - 2001
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