Looking for classes? Ksquare Career Institute, Bengaluru →
The p-Block Elements (Group 13 and 14)
Carbon Family – Oxides, Fullerenes and Zeolites
1 question from 1 paper, each with its answer.
- question
- 1
- paper
- 1
- years asked, 2017–2026
- 1 of 10
- of The p-Block Elements (Group 13 and 14)
- 11.11%
Concepts tested
- properties and uses of carbon compounds
All Questions
2020 1 question
-
Identify the correct statements from the following: (a) $CO_2(g)$ is used as refrigerant for ice-cream and frozen food. (b) The structure of $C_{60}$ contains twelve six carbon rings and twenty five carbon rings. (c) ZSM-5, a type of zeolite, is used to convert alcohols into gasoline. (d) CO is colorless and odourless gas.(a) Dry ice, i.e. solid $CO_2$, is used as a refrigerant, not $CO_2$ gas – incorrect. (b) $C_{60}$ contains twenty six-membered rings and twelve five-membered rings – incorrect as stated. (c) ZSM-5 zeolite is used to convert alcohols directly into gasoline – correct. (d) CO is a colourless and odourless gas – correct. So (c) and (d) only.
