SMATEE TEST SERIES 11 CHEMISTRY
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1. Benzene reacts with CH
3
Cl in the presence of anhydrous AlCl
3
to form :
a) Chlorobenzene
b) Benzyl chloride
c) Xylene
d) Toluene
Deselect Answer
a)
b)
c)
d)
None
2. Which of the following has least boiling point?
a) n-Hexane
b) n-Pentane
c) 2-Methylbutane
d) 2,2-Dimethyl propane
Deselect Answer
a)
b)
c)
d)
None
3. The principle involved in paper chromatography is
a) Adsorption
b) Partition
c) Solubility
d) Volatility
Deselect Answer
a)
b)
c)
d)
None
4. The species having +I effect are
a) CH
3
CH
2
b) -COOH
c) -NO
2
d) CN
Deselect Answer
a)
b)
c)
d)
None
5. Which of the following compounds are aromatic ?
a) A,B
b) A,B,C
c) B,C
d) B only
Deselect Answer
a)
b)
c)
d)
None
6. For a given alkyl group, the boiling points of alkyl halides follow the order:
a) RI > RBr > RCI
b) RCI > RBr > RI
c) RI > RCI > RBr
d) RBr>RI > RCl.
Deselect Answer
a)
b)
c)
d)
None
7. – Alkyl halides on treatment with alc. KOH give
a) alcohols
b) alkenes
c) alkanes
d) aldehydes
Deselect Answer
a)
b)
c)
d)
None
8. Which of the following is most reactive towards nucleophilic substitution reaction –
a) C
6
H
5
Cl
b) CH
2
=CHCI
c) CICH
2
CH=CH
2
d) CH
3
-CH=CHCI
Deselect Answer
a)
b)
c)
d)
None
9. The penetration of the electrons in any principal shell varies as :
a) s
> p > d > f
b) s
< p < d < f
c) s
> p f
d) s
d > f
Deselect Answer
a)
b)
c)
d)
None
10. Which of the following set is non permissible?
a) n=4, l= 3, m=0
b) n=4, l= 2, m= 1
c) n= 4, l= 4, m=1
d) n=4, l=0, m= 0
Deselect Answer
a)
b)
c)
d)
None
11. Azimuthal quantum number for the last electron in Na atom is
a) 0
b) 1
c) 2
d) 3
Deselect Answer
a)
b)
c)
d)
None
12. How many electrons can fit in the orbitals for which n=3 and l =1 ?
a) 2
b) 6
c) 10
d) 14
Deselect Answer
a)
b)
c)
d)
None
13. Number of angular nodes for 4d orbitals is
a) 1
b) 2
c) 3
d)
4
Deselect Answer
a)
b)
c)
d)
None
14. In case of d
x2
–
y2
orbital
a) Probability of finding the electron is zero in x-y plane
b) Probability of finding the electron along y -axis is zero
c) Probability of finding the electron along x- axis is zero
d) Probability of finding the electron is maximum along x and y- axis
Deselect Answer
a)
b)
c)
d)
None
15. The number of radial and angular nodes in 4p orbital are
a) 2, 0
b) 2, 1
c) 2, 2
d) 3, 1
Deselect Answer
a)
b)
c)
d)
None
16. Rutherford scatterring experiment is based on:
a) Alpha particle scaterring from Gold
b) Beta particle scaterring from Gold
c) Gamma particle scaterring from Gold
d) A and B
Deselect Answer
a)
b)
c)
d)
None
17. How many electron pair are present in
a) 2
b) 3
c) 4
d) 6
Deselect Answer
a)
b)
c)
d)
None
18. The H
+
ion concentration of 0.05 M CH
3
COOH solution is? (K
a
= 1.25 x 10
-6
)
a) 4 × 10
-6
b) 16 × 10
-3
c) 25 × 10
-5
d) 32 × 10
-4
Deselect Answer
a)
b)
c)
d)
None
19. Which of the following statement is/are incorrect?
(I) pKw increase with increase in temperature
(II) pKw decreases with increase in temperature
(III) pKw = 14 at all temperature
(IV) pKw = pH at all temperature
a) only (I)
b) (II) and (IV) only
c) I and IV only
d) (I), (II) and (IV)
Deselect Answer
a)
b)
c)
d)
None
20. Calculate the pH of 10
-7
M NaOH
a) 7.3
b) 8.4
c) 10.2
d) 6.5
Deselect Answer
a)
b)
c)
d)
None
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