1.
|
Methyl bromide
is converted into ethane by heating it in ether medium with
(A) Al
(B) Zn
(C) Na
(D) Cu
|
Answer: (C)
|
|
2.
|
Monobromination of 2-methylbutane gives how many
distinct isomers?
(A) One
(B) Two
(C) Three
(D) Four
|
Answer: (D)
|
|
3.
|
More acidic than ethanol is
(A) CH3CH2CH2CH2CH2CH2CH2CH3
(B) CH3CO2CH2CH3
(C) CH3COCH2COCH3
(D) CH3COCH3
|
Answer: (C)
|
|
4.
|
NO2
is not obtained on heating
(A) AgNO3
(B) KNO3
(C) Cu(NO3)2
(D) Pb(NO3)2
|
Answer: (B)
|
|
5.
|
Number of
isomeric forms (constitutional and sterioisomers) for
[Rh(en)2(NO2)(SCN)]+ are
(A) Three
(B) Six
(C) Nine
(D) Twelve
|
Answer: (D)
|
|
6.
|
Of the
following compounds, the oxime of which shows geometrical isomerism, is
(A) Acetone
(B) Diethylketone
(C) Formaldehyde
(D) Benzaldehyde
|
Answer: (D)
|
|
7.
|
One gram of silver gets
distributed between 10 cm3 of molten
zinc and 100 cm3
of molten lead at 800°C. The percentage of silver still left in the lead layer is
approximately
(A) 5
(B) 2
(C) 1
(D) 3
|
Answer: (D)
|
|
8.
|
Osmotic
pressure observed when benzoic acid is dissolved in benzene is less than that
expected from theoretical considerations. This is because
(A) benzoic
acid is an organic solute
(B) benzoic
acid has higher molar mass than benzene
(C) benzoic
acid gets associated in benzene
(D) benzoic
acid gets dissociated in benzene
|
Answer: (C)
|
|
9.
|
Out of the given two
compounds, the vapour pressure of B at a particular temperature is
(A) higher than that of A
(B) lower than that of A
(C) higher or lower than A depending on the size of the
vessel
(D) same as that of A
|
Answer: (A)
|
|
10.
|
Paracetamol is
(A) Methyl
salicylate
(B) Phenyl
salicylate
(C) N-acetyl
p-amino phenol
(D) Acetyl
salicylic acid
|
Answer: (C)
|
|
11.
|
pH value of which one of the
following is NOT equal to one?
(A) 0.1 M HNO3
(B) 0.1 M CH3 COOH
(C) 50 cm3 0.4 M HCl
+ 50 cm3 0.2 M NaOH
(D) 0.05 M H2SO4
|
Answer: (B)
|
|
12.
|
Platinum,
Palladium and Iridium are called noble metals because
(A) Alfred
Nobel discovered them
(B) They
are shining lustrous and pleasing to look at
(C) They
are found in native state
(D) They
are inert towards many common reagents.
|
Answer: (D)
|
|
13.
|
Reaction of
formaldehyde and ammonia gives
(A) Hexamethylene
tetramine
(B) Bakelite
(C) Urea
(D) Triethylene
Tetramine
|
Answer: (A)
|
|
14.
|
Solubility
product of a salt AB is 1 ´ 10-8
M2 in a solution in which
the concentration of A+
ions is 10-3
M. The salt will precipitate when the concentration of B- ions is kept
(A) between
10-8 M to 10-7
M
(B) between
10-7 M to 10-6
M
(C) >10-5
M
(D) <1o sup="sup">-
|
Answer: (C)
15.
The activation energy of a
reaction at a given temperature is found to be
2.303 RT J mol–1. The ratio of rate constant to the Arrhenius factor is
2.303 RT J mol–1. The ratio of rate constant to the Arrhenius factor is
(A) 0.1
(B) 0.01
(C) 0.001
(D) 0.02
Answer: (A)
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