Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

P Block Elements question

2020 · Q100
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /NEET
  3. /Chemistry
  4. /P Block Elements
  5. /2020 · Q100

P Block Elements question

2020 · Q100

NEETChemistryP Block ElementsMCQ+4 / −1
Identify the correct statements from the following :
(A) CO2(g) is used as refrigerant for ice-cream and frozen food.
(B) The structure of C60 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 colourless and odourless gas.
  1. A
    (A) and (C) only
  2. B
    (B) and (C) only
  3. C
    (C) and (D) only
  4. D
    (A), (B) and (C) only
View written solutionFree

Correct answer: C

Dry ice is used as refrigerant. C60 contains 20 six membered ring, 12 five membered rings. In the presence of a zeolite catalyst (HZSM-5), ethanol, methanol and larger alcohols can be converted into gasoline at 300-400∘^\circ ∘ C. CO, is a tasteless, colorless, and odorless gas.

PreviousNext

More from P Block Elements

  • Which of the following oxoacid of sulphur has − O− O− linkage?2020 · MCQ
  • Which of the following is not correct about carbon monoxide?2020 · MCQ
  • Match the following and identify the correct option. Includes table2020 · MCQ
  • Which of the following is incorrect statement?2019 · MCQ
  • Which of the following species is not stable?2019 · MCQ
  • Identify the incorrect statement related to PCl5 from the following :2019 · MCQ
  • Which is the correct thermal stability order for H2E (E = O, S, Se, Te and Po)?2019 · MCQ
  • Match the Xenon compounds in Column-I with its structure in Column-II and assign the correct code : Includes diagram2019 · MCQ