1.
The correct order of ionisation energy of C, N, O,
F is (A) C < N < O
< F (B) C < O < N
< F (C) F < O < N
< C (D) F < N < C < O
2.
The
correct set of four Quantum numbers for outermost electron of Potassium (Z =
19) is (A) 4, 0, 0, , (B) 3, 0,
0, (C) 4, 1,
0, (D) 3, 1,
0,
3.
The condensation polymer among the following is (A) PVC
(B) Polyethene
(C) Rubber
(D) Protein
4.
The compound which forms acetaldehyde when heated with dilute NaOH
is (A) 1 Chloro ethane (B) 1,
2 Dichloro ethane (C) 1, 1 Dichloro ethane (D) 1,
1, 1 Trichloro ethane
5.
The outer electron configuration of Gd (Atomic
number: 64) is: (A) 4f3 5d5 6s2
(B) 4f8 5d0 6s2 (C) 4f4 5d4 6s2
(D) 4f7 5d1 6s2
6. The ground state electronic configuration of CO
molecule is (A) 1s22s21p43s2 (B) 1s22s23s21p22p2 (C) 1s22s21p23s22p2 (D) 1s21p42s23s2
7.
The bonds present in the
structure of dichromate ion are (A) four equivalent Cr – O bonds only (B) six equivalent Cr – O bonds and
one O – O bond (C) six
equivalent Cr – O bonds and one Cr – Cr bond (D) six equivalent Cr – O bonds and one Cr – O – Cr bond
8. In 1L
saturated solution of AgCl[KSP(AgCl) = 1.6 × 10–10], 0.1 mol of CuCl
[KSP(CuCl) = 1.0 × 10–6] is added. The resultant concentration of Ag+ in
the solution is 1.6 × 10–x. The value of "x" is (A) 7(B)9
(C)13 (D)15
9. At 25°C,
the solubility product of Mg(OH)2 is 1.0 × 10–11. At
which pH, will Mg2+ ions start precipitating in the form of
Mg(OH)2 from a solution of 0.001 M Mg2+ ions? (A)8
(B) 9 (C) 10 (D) 11
10.When plants
and animals decay, the organic nitrogen is converted into inorganic
nitrogen.
The
inorganic nitrogen is in the form of _____.
(A) Ammonia (B) Elements
of nitrogen (C) Nitrates (D)
Nitrides
11.What
products are expected from the disproportionation reaction of hypochlorous
acid? (A) HClO3 and Cl2O (B) HClO2 and
HClO4 (C) HCl and Cl2O (D) HCl and HClO3
12.The highest
magnetic moment is shown by the transition metal ion with the configuration (A) 3d2
(B) 3d5 (C) 3d7
(D) 3d9
13.The mass of
glucose that should be dissolved in 50 g of water in order to produce the same
lowering of vapour pressure as is produced by dissolving 1 g of urea in the
same quantity of water is (A) 1 g (B) 3 g (C) 6
g (D) 18
g
14.The maximum
number of possible isomers in 1-bromo-2-methyl cyclobutane is (A) 2 (B) 4 (C) 16
(D) 8
15.The pH of 10-8 M HCI solution is (A) 8
(B) more
than 8 (C) between 6 and 7 (D) slightly
more than 7
16.The radii of Na+ and Cl- ions are 95 pm and 181 pm
respectively. The edge length of NaCl unit cell is (A) 276 pm (B) 138
pm (C) 552 pm (D) 415 pm
17.The reaction C2H5ONa
+ C2H5I ® C2H5OC2H5 + NaI is known as (A) Kolbe's
synthesis (B) Wurtz's synthesis (C) Williamson's
synthesis (D) Grignard's synthesis
18.The solubility of
Ca3(PO4)2 in
water is y moles / litre. Its solubility product is (A) 6y4 (B) 36y4
(C) 64y5
(D) 108y5
19.According to Bohr’s theory, the angular momentum of
an electron in 5th orbit is (A) 25 h/pie (B) 1.0 h/pie (C) 10 h/pie (D) 2.5 h/pie
The number of nodal planes in a px orbital is (A) 0 (B) 1
(C) 2 (D) 3
No comments:
Post a Comment