1
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
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
Change Language
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
Change Language
Which of the following is incorrect statement?
A
GeX4(X = F, Cl, Br, I) is more stable than GeX2
B
SnF4 is ionic in nature
C
PbF4 is covalent in nature
D
SiCl4 is easily hydrolysed
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following species is not stable?
A
[Sn(OH)6]2-
B
[SiCl6]2–
C
[SiF6]2–
D
[GeCl6]2–
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