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.
A
(A) and (C) only
B
(B) and (C) only
C
(C) and (D) only
D
(A), (B) and (C) only
2
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Which of the following oxoacid of sulphur has $$ - $$
O$$ - $$
O$$ - $$
linkage?
A
H2SO4, sulphuric acid
B
H2S2O8, peroxodisulphuric acid
C
H2S2O7, pyrosulphuric acid
D
H2SO3, sulphurious acid
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Match the Xenon compounds in Column-I with its structure in Column-II and assign the correct code :
A
(a)
(b)
(c)
(d)
(ii)
(iii)
(i)
(iv)
B
(a)
(b)
(c)
(d)
(iii)
(iv)
(i)
(ii)
C
(a)
(b)
(c)
(d)
(i)
(ii)
(iii)
(iv)
D
(a)
(b)
(c)
(d)
(ii)
(iii)
(iv)
(i)
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Identify the incorrect statement related to PCl5 from the following :
A
Axial P–Cl bonds are longer than equatorial P–Cl bonds
B
PCl5 molecule is non-reactive
C
Three equatorial P–Cl bonds make an angle of 120º with each other
D
Two axial P–Cl bonds make an angle of 180º with each other
