1
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
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Match the following :

(a) Pure nitrogen (i) Chlorine
(b) Haber process (ii) Sulphuric acid
(c) Contact process (iii) Ammonia
(d) Deacon’s process (iv) Sodium azide or Barium azide


Which of the following is the correct option?
A
(a) (b) (c) (d)
(iii) (iv) (ii) (i)
B
(a) (b) (c) (d)
(iv) (iii) (ii) (i)
C
(a) (b) (c) (d)
(i) (ii) (iii) (iv)
D
(a) (b) (c) (d)
(ii) (iv) (i) (iii)
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Which is the correct thermal stability order for H2E (E = O, S, Se, Te and Po)?
A
H2Po < H2Te < H2Se < H2S < H2O
B
H2Se < H2Te < H2Po < H2O < H2S
C
H2S < H2O < H2Se < H2Te < H2Po
D
H2O < H2S < H2Se < H2Te < H2Po
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
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

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