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JEE Main Chemistry - Chemistry of Non Metals II Practice Questions

JEE Main Chemistry - Chemistry of Non Metals II

Exam Duration: 60 Mins Total Questions : 30

1 )

Which of the following is an anhydride of perchloric acid?

(a)
Cl₂O
(b)
ClO₂
(c)
Cl₂O₇
(d)
ClO₃

2 )

Halides of elemets ofgroup III are called

(a)
Iowry Bronsted acid
(b)
Arrhenious acid
(c)
Lewis acid
(d)
Lewis Base

3 )

Which of the following is the Weakest reducing agent?

(a)
HF
(b)
HCl
(c)
HBr
(d)
HI

4 )

Correct order of the sizes of iodine species I, I^-and I⁺is

(a)
I^-> I > I⁺
(b)
I > I^-> I⁺
(c)
I > I⁺ > I^-
(d)
I⁺ > I > I^-

5 )

Which of the following halogen is used as a strong bleaching agent and disinfectant?

(a)
F₂
(b)
Cl₂
(c)
Br₂
(d)
I₂

6 )

The poisonous gas present in the exhaust fumes of air is

(a)
methane
(b)
acetylene
(c)
carbon monooxide
(d)
ethane

7 )

silicon is an important constituent of

(a)
rocks
(b)
alloys
(c)
animal
(d)
vegetables

8 )

SO₂is not a

(a)
basic oxide
(b)
reducing agent
(c)
bleaching agent
(d)
disinfectant

9 )

Which one of the following statement about sulphuric acid is not correct?

(a)
It is a monobasic acid
(b)
In concentrated form it acts as a dehydrating agent
(c)
Dilute H₂SO₄ acts as a noraml acid
(d)
In pure form it acts as a strong oxidising gent

10 )

Ozone is made from oxygen by

(a)
oxidation at high temperature
(b)
oxidation using a catalyst
(c)
silent electric dischargr
(d)
Passing under high pressure

11 )

Which one of the following halogens has the highest bond dissociation energy?

(a)
Chlorine
(b)
Bromine
(c)
Fluorine
(d)
Iodine

12 )

Bleaching action of bleaching powder is due to

(a)
CaCl₂
(b)
CaSO₄
(c)
Ca(OCI)CI
(d)
CaO₂Cl

13 )

Which one of the following is chloric acid?

(a)
HClO₂
(b)
HOCL
(c)
HClO₃
(d)
HClO₄

14 )

The best commercial source of chlorine is as a by product in the manufacture of

(a)
NaOH
(b)
HCL
(c)
Na₂CO₃
(d)
Na₂SO₄

15 )

Which of the following has the greatest tendency to form cations?

(a)
Cl
(b)
Br
(c)
I
(d)
O

16 )

The ionisation energy of Xe is comparable to that of

(a)
F₂
(b)
O₂
(c)
Cl₂
(d)
N₂

17 )

The discovery of noble gases became possible very late because they were

(a)
very rare
(b)
not found in earth's crust
(c)
chemically inert
(d)
very reactive

18 )

Phosphorus in its compounds shows variable valency ranging from

(a)
-3 to -15
(b)
-3 to +3
(c)
0 to +5
(d)
+3 to +5

19 )

Strongest acid form the following is

(a)
HF
(b)
H₃P
(c)
HBr
(d)
H₂S

20 )

A solution of patassium bromide is treated with each of the following. Which one would liberate bromine?

(a)
HI
(b)
SO₂
(c)
Cl₂
(d)
I₂

21 )

White phosphorus reacts with caustic soda. The products are PH₃ and NaH₂PO₂. This reaction is an example of

(a)
oxidation
(b)
reduction
(c)
oxidation and reduction
(d)
None of the above

22 )

The shape of XeF₄ is

(a)
Ttetrahedral
(b)
Square planer
(c)
Octahedral
(d)
Trigonal planer

23 )

The reaction of 1-chlorobutane with alcoholic KOH gives

(a)
but-1-ene
(b)
but-2-ene
(c)
but-2-ol
(d)
butanol

24 )

Which of the following is boiled with ethyl chloride for the preparation of ethyl alcohol?

(a)
(AIc) KOH
(b)
(A_q) KOH
(c)
H₂O
(d)
H₂O₂

25 )

Chloromethane on treatment with excess of ammonia yields mainly

(a)
N-dimethyl methenamine
\(\left( { CH }_{ 3 }-{ N }_{ { \setminus }_{ { CH }_{ 3 } } }^{ { / }^{ { CH }_{ 3 } } } \right) \)
(b)
N - methyl methenamine
\(({ CH }_{ 3 }-NH-{ CH }_{ 3 })\)
(c)
methanamine (CH₃NH₃)
(d)
mixture containing all these in equal proportion

26 )

When H₂ is added to two isomeric alkenes A and B having molecular formula C₅H₉CI, A gives optically inactive compound while B gives a chiral compound. The two isomers are