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Consider the following statements

(i).	Carbon form the most acidic dioxide among the oxide of group 14.
(ii).	Pb mostly found in the +2 oxidation state.
(iii).	Only silicon used as a semiconductor.

Identify the correct statement(s):

1. Only iii

2. i, ii

3. ii, iii

4. Only ii

Subtopic: Carbon Family - Preparations, Properties & Uses |

81%

Level 1: 80%+

Hints

Identify the correct statements among the following:

a.	CO₂ (g) is used as a refrigerant for ice-cream and frozen food.
b.	The structure of C₆₀contains twelve six-carbon rings and twenty five-carbon rings.
c.	ZSM-5, a type of zeolite, is used to convert alcohol into gasoline.
d.	CO is a colourless and odourless gas

1. (a) and (c) only

2. (b) and (c) only

3. (c) and (d) only

4. (a), (b) and (c) only

Subtopic: Carbon Family - Preparations, Properties & Uses | Compounds of Carbon, Preparations, Properties & Uses |

70%

Level 2: 60%+

NEET - 2020

Hints