Chemistry - Chemistry of Non Metals II
Exam Duration: 45 Mins Total Questions : 30
Electrolysis of brine produces
- (a)
H2 and Cl2
- (b)
H2 ,Cl2 and NaOH
- (c)
Cl2 and NaOH
- (d)
Cl2 and Na
Which of the following is the Weakest reducing agent?
- (a)
HF
- (b)
HCl
- (c)
HBr
- (d)
HI
As the automic weight of halogen increases from flouring to astatine the halogens
- (a)
gain electrons less easily
- (b)
become more elecronegative
- (c)
become less dense
- (d)
loss their outermost electrons less easily
Which of the following halogen is used as a strong bleaching agent and disinfectant?
- (a)
F2
- (b)
Cl2
- (c)
Br2
- (d)
I2
Which glass has the highest percentage of lead?
- (a)
soda glass
- (b)
flint glass
- (c)
jena glass
- (d)
pyrex glass
SO2 is not a
- (a)
basic oxide
- (b)
reducing agent
- (c)
bleaching agent
- (d)
disinfectant
Which one of the following has lowest bioling point?
- (a)
water
- (b)
H2S
- (c)
H2Se
- (d)
H2Te
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
Which is the strongest oxidising agent?
- (a)
HOCl
- (b)
HClO2
- (c)
HClO3
- (d)
HClO4
Bleaching action of bleaching powder is due to
- (a)
CaCl2
- (b)
CaSO4
- (c)
Ca(OCI)CI
- (d)
CaO2Cl
The best commercial source of chlorine is as a by product in the manufacture of
- (a)
NaOH
- (b)
HCL
- (c)
Na2CO3
- (d)
Na2SO4
The reaction of sodium thiosulphate with iodine gives
- (a)
sodium sulphide
- (b)
sodium sulphite
- (c)
sodium sulphate
- (d)
sodium tetrathionate
The type of hybrid orbitals in XeF2 is
- (a)
sp3
- (b)
sp3d
- (c)
sp2d
- (d)
sp3d2
Which one of the following forms an amphoteric oxide?
- (a)
Ca
- (b)
Cu
- (c)
Zn
- (d)
Fe
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
Cl2 is an anhydride of
- (a)
HClO4
- (b)
HOCl
- (c)
HClO2
- (d)
ClO3
Purest form of silica is
- (a)
quartz
- (b)
sandstone
- (c)
flint
- (d)
None of this above
Glass is soluable in
- (a)
HF
- (b)
H2SO4
- (c)
HClO4
- (d)
aquaregia
Phosphide ion has the electronic structure similar to that of
- (a)
nitride ion
- (b)
fluoride ion
- (c)
sodium ion
- (d)
chloride ion
White P is more reactive than N2 because
- (a)
electronegativity of P is low
- (b)
ionisation potential of P is low
- (c)
P-P bond is weaker than N=N
- (d)
All the above
The shape of XeF4 is
- (a)
Ttetrahedral
- (b)
Square planer
- (c)
Octahedral
- (d)
Trigonal planer
The main product of the reaction of propane with chlorine at 25oC in the presence of sunlight is
- (a)
1-chloropropane
- (b)
2-chloropropane
- (c)
chloroethane
- (d)
chloromethane
The alkyl halide that undergoes SN1 reaction more readily is
- (a)
ethyl bromide
- (b)
iso-propyl bromide
- (c)
vinyl bromide
- (d)
t-butyl bromide
The reaction of ethyl bromide and silver cyanide results in the formation of
- (a)
ethylene
- (b)
ethyl cyanide
- (c)
ethyl isocyanide
- (d)
ethyl alcohol
The reactivity of alkyl halides depends upon
- (a)
the nature of halogen atom
- (b)
the nature of alkyl group
- (c)
Both (a) and (b)
- (d)
None of the above
The compound (A) in the following reaction sequence is
\(A\overset { { PCl }_{ 5 } }{ \longrightarrow } B\underset { \overset { \downarrow { H }_{ 2 }/Ni }{ propane } \quad \quad }{ \overset { Alc.KOH }{ \longrightarrow } } C\)
- (a)
chloroethane
- (b)
ethanol
- (c)
1,2-dichloroethane
- (d)
None of the above
The product of the reaction of ethyl iodide with Zn - Cu couple/alcohol can also be prepared by the following reaction
- (a)
by the hydrolysis of the product obtained from the reaction of ethyl iodide with Mg in dry ether
- (b)
reaction of iodomethane with Na in dry ether
- (c)
by the reduction of ethyl alcohol with red P + HI
- (d)
All of the above
HBr reacts with \({ CH }_{ 2 }=CH-{ OCH }_{ 3 }\) under anhydrous conditions at room temperature of given
- (a)
\({ CH }_{ 3 }CHO\quad and\quad { CH }_{ 3 }Br\)
- (b)
\({ BrCH }_{ 2 }CHO\quad and\quad { CH }_{ 3 }OH\)
- (c)
\({ BrCH }_{ 2 }-{ CH }_{ 2 }-{ OCH }_{ 3 }\)
- (d)
\({ H }_{ 3 }C-CHBr-{ OCH }_{ 3 }\)
Of the five isomeric hexane, the isomer which can give two monochlorinated compounds, is
- (a)
2-methylpentane
- (b)
2,2-dimethylbutane
- (c)
2,3-dimethylbutane
- (d)
n-hexane