Question

Identify the correct statements from the following:
(a) $C{O}_2$ is used as refrigerant for ice-cream and frozen food
(b) The structure of $C_{60}$ contains twelve six-membered rings and twenty five-membered rings.
(c) ZSM-5, a type of zeolite, it used to convert alcohol into gasoline.
(d) CO is colorless and odourless gas.

• A. (b) and (c) only
• B. (c) and (d) only
• C. (a), (b), (c) and (d)
• D. (a) and (c) only

Answer 1

The correct option is C (a), (b), (c) and (d)

$C{O}_2$ in the form of dry ice used as refrigerant for ice-creamand frozen food.
Fullerene has twenty six-membered ring and twelve five-membered ring.
$ZSM-5$ is a zeolite which converts alcohol directly into gasoline (petrol)
Carbon monoxide, CO, is a colorless, odourless , and tasteless gas.
Hence (c) is the correct option.