OnlineCBT
Chemistry · PYQ NEET UG 2020
हिन्दीIdentify the CORRECT statements from the following: (i) \( \text{CO}_{2(g)} \) is used as refrigerant for ice-cream and frozen food. (ii) The structure of \( \text{C}_{60} \) contains twelve six carbon rings and twenty five carbon rings. (iii) ZSM-5, a type of zeolite, is used to convert alcohols into gasoline. (iv) CO is colorless and odourless gas.
Correct answer · Option 3
(iii) and (iv) only
Explanation
Statements (i), (iii), and (iv) are correct. \( \text{C}_{60} \) contains 12 five-membered rings and 20 six-membered rings, making statement (ii) incorrect.
