BLUE PRINT CHEMISTRYA) ^^lcr^f cI5T f^RTaT(B) ^-< (C) ^fRTcT cf5T fcR^T(D) 10 dm3 of hydrogen under...
Transcript of BLUE PRINT CHEMISTRYA) ^^lcr^f cI5T f^RTaT(B) ^-< (C) ^fRTcT cf5T fcR^T(D) 10 dm3 of hydrogen under...
35 (2) = 701(2) = 24(2) = 8
4(2) = 83(2) = 62(2) = 4U2) = 22(2) = 43(2) = 63(2) = 62(2) = 43(2)-6
2(2) = 43 (2) ^62 (2)^4
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TOTALENVIRONMENTAL CHEMISTRYHYDROCARBONS
ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES AND
TECHNIQUES
SOME P-BLOCK ELEMENTSS-BLOCK ELEMENTSHYDROGENREDOX REACTIONSEQILIBRIUMTHERMODYNAMICS
STATES OF MATTER : GASES AND LIQUIDSCHEMICAL BONDING AND MOLECULAR STRUCTURE
CLASSIFICATION OF ELEMENTS AND PERIODICITY IN
PROPERTIES
STRUCTURE OF ATOM
SOME BASIC CONCEPT OF CHEMISTRY
TITLE
XIVXIII
XIIXIXIXVIIIVIIVIVIV
inIIi
UinitNo.
question Carries 2 Marks.
c^^ 2 3TcJ5 ^ IEach
All questions are Compulsory.
Total Number of Questions are 35^gcT "^^^oft c|t ^RTT 3 5 % I
All are Multiple Choice Questions
BLUE PRINTCHEMISTRY
CLASS- XI
(A) 3 s(B) 3d(C) 3p(D) ^^\^ ik
Fe belongs to which block in the periodic table ?
(A) s-Block(B) p-Block(C)d-Block(D) None of these
3-ilcicf ^l^djfl c^ fct^Tii ceiTcr> ^ 3TcTafcT Fe 3TRTT
(A)ls22s22p63s1 (B)ls22^22p6
(C) Is2 2^2 2p5(D)Using s,p,d notation, the orbital with the quantum number, n=3, / =1 will be
(A) 3 s(B) 3d(C)3p(D) None of these^^R^2TT n=3, l=\
24
(D) None of these(C) Is2 2S2 2p5
2"
(A) 13(C)12
The electronic configuration of ion O2" is
(A) Is2 22 2p6 3s1 (B) Is2 2^2 2p6
(B)10
12
(B)10-(D) None of these
(A) 13(C)12
How many neutrons are present in the nucleus
(B) 14 U(A) 10 U(C)16U
CH
(B) 14 u(D) None of these
(A) 10 u(C)16u
23(B)lxlO(D) 6.022 xlO
22(A) 6.022 x 1022(C)lxlO23
The molecular mass of CH4 is
SET-I
(CHEMISTRY)
(B)lxlO22(D) 6.022 x 102323
22(A) 6.022 x 10(C)lxlO
Avogadro number is equal to
(A) ^^lcr^f cI5T f^RTaT(B) ^-<
(C) ^fRTcT cf5T fcR^T(D)
10 dm3 of hydrogen under 1 bar pressure are contained in a cylinder which hasa movable piston. The piston is moved in until the same mass of gas occupies 2
dm3 at the same temperature. What will be the pressure in the cylinder?
(A) 5 bar(B)6bar(C) 7 bar(D) None of these
(B) Gay Lusac's law(D)None of these
(B) 2(D) <=
(B) t(D),Hmc
(A) 1(C) v3
CIF3 cfDT
(A) 1(C) 3
P/T = Constant is(A) Charles' law(C) Boyle's law
1 o The no. of lone Pairs of C1F3 4(D)
(A) T-
(B) Bent(D)None of these
The shape of H20 is
(A) T- Shape(C) Trigonal pyramidal
(B) SP
(B)(A)(C)
CH4 ^ C
(A)(Q
The hybridisation of C in CH4 is
P-
(B) ns1(A) ns2 np^61-2
(A) ns2 np^6
(A) s-^c^fe(B) p-
(C) d-^cf^^(D)General outer electronic Configuration of p- block element is
(B) ns1'2
"2 (D) None of these
1 2
1 1
8
4
(A) NH2. NH2(B) NH3
NH4+ cm xiH-^oc^l ^rr? cm
1 6 The formula of Conjugate base of species NH4+ is
(A)NH2.NH2(B)NH3(C)N2(D) None of these
(A) Kc = [CH3COCH3 (1)] (B) Kc = [CH3COCH3 (g)]
(C) Kc = [CH3COC2H5 (1)] (D)
1 5 The equilibrium Constant expression for the reaction,
CH3 COCH3 (1) ^ CH3 COCH3 (g) is
(A) Kc ^ [CH3COCH3 (1)] (B) Kc = [CH3COCH3 (g)](C) Kc = [CH3COC2H5 (1)] (D) None of these
CH3 C0CH3 (1) ^ CH3 COCH3 (g)
(A) ^&g\ Uc^c^t cJ5T(B)(C) Tcid^l^i U^e^^dfr cJ5T(D)
1 4 Standard enthalpy of reaction is equal to(A)Standard enthalp^ of formation of products +
Standard enthapies of formation of reactants .
(B)Standard enthalpie^ of formation of products -Standard enthapies of formation of reactants .
(C)Standard enthalp^ of formation of products
Standard enthapies of formation of reactants
(D)None of these.
^ C4Hi0(g)+13/2 o2 (g) —? 4CQ2 (g)+5H2O(l)
ACH =-2658.
c
(A) 5 bar(B)6bar(C)7bar(D)i^ ^
13 The thermo chemical reaction, C4Hi0(g)+13/2 o2(g)—? 4CO2 (g)+5H2O(/) ;
Ac H ^ -2658.OKJ mol"1 is the exmple of(A) enthalpy of combustion(B) enthalpy of atomisation
(C) enthalpy of solution(D) None of these
(C)yf^cl^T ^^ of efteftcTT % I
(D)^^il ^ c^r^2 1 In the reaction,
Ca (HC03)2 + Ca (0H)2? X + 2H2O 'X' is
(A) Ca2C(B) Ca CQ3(C) Both of them(D) None of these
(A) "crf^^^T ^ sTc^r cr^rr 3oif
(B)
2 K(S) + F2 (g) —? 2 KF (S) ^ c^t^r ^rr ^^^ref c^r Sfra^f^^^^r ^tcrr
(A)K(S)(B)F2(g)
2 0 In ^ isolated System(A)Both mass and energy can be exchanged with the surroundings.(B)There is only exchange of energy with surrounding and no exchange of
mass takes place.(C)There is neither exchange of mass nor of energy with the surrounding.
(D)None of these.
(A) +5(B) +6(C) +3(D)
1 9 In the redox reaction,2 K(S) + F2 (g) ?2 KF (S) oxidation of which substance takes place?
(A) K(S)(B) F2 (g)(C) Both of them(D) None of these
1 8 The oxidation number of B in NaBH4 is
(A) +5(B) +6(C)+3(D) None of these
NaBH4 ^t B
(A)[H3O+] = [OH"] (B) [H3 O+] > [OH"](C) [H3^^ ] < [OH"]
(A)[H3O+] = [OH"] (B)[H3O+]>[OH"](C) [H3 O* ] < [OH"] (D) None of these
(C)N21 7 For basic Solution,
(D)(C)
(A)B2H6(B)B3H7(C)B4H10(D)^r^
NaH reacts with B2H6 to give(A) Diborane(B) Orthoboric acid(C) Sodium boro hydride (D) None of these
NaH,B2H6<
The formula of Tetraborane is
(A) B2 H6(B) B3H7(C)B4H10(D) None of these
(D)(C)
o
(A)CaCO2(B)Ca(OH)2(C)CaO(D)^r^
Which among the following is not^(A) Diamond(B) Graphite(C)Coal(D) Phosphorus
(A) Na2O and H2(C)NaandH2
The formula of Quick lime is
(A)CaCO2(B)Ca(OH)2(C)CaO(D) None of these
(B) NaOH and H2O2
2 H2ONa2 O2
? X + 2H2O
(B) Ca C03
Product
(B) NaOH and H2O2(D) None of these
2 2 In the reaction,
Na2 O2 + 2 H2O
the products are(A) Na2O and H2(C)NaandH2
Ca (HCO3)2 + Ca (OH):(A)Ca2C
26
25
2 A
23
(B) Friedel-Crafts alkylation reaction
(D)None of these(A) Halogenation(C) Wurtz reaction
is
+HL+CH3a Anhydrous Aldt3
(D)
CH3
(B) Phenyl free radical
(D) None of these
(B) 4(D)
(B) 4(D)None of these
3 1 The reaction
(A)
(A) 6(C) 5
3 0 C6 H5 is(A) Isopropyl free radical
(C) Benzyl free radical
C6H5%
(A) 6(C) 5
2 9 The number of sigma bonds present in the CH2 = CH2 molecule
(D)
CH3 CH2 CO CH2 CH3 ci5T IUPAC
(A) ^tl^ci- 2 -3TfcT
(B) Butanal(D)None of these
(A)Butan-2-01(C) Pentan-3-one
2 8 IUPAC name of CH3 CH2 CO CH2 CH3 is
(B)(D)(C)
O
(B) Cyclopropane(D)None of these
(A) Cyclobutane(C) Cyclopentane
O is27
(C) Ii o2 (g)(D) None of these2
(B) 12 02 (g)2
•^ 4CO2(g)+5H2O(g
(D) None of these
(B) 11 02 (g)
4CO2(g)+5H2O(g)
C4Hlo(g) + X -'X't
(A) y o,(g)
Heat
CO ^ 02 (g)
(A) 11 o2(g)
C4H10(g) + X'X' is
3 3 In the Combustion reaction of Butane,
(D)
crerr(A)
3 2 The IUPAC name of the products obtained by the Ozonolysis of Pent-2-ene are
(A)Butan-2-one and Ethanal
(B)Propanal and methanal(C)Propanal and Ethanal
(D) None of these
(B)(D)
(A)(C)
+CH3CI Anhydrous Al€$3
CH3
(A) .̂Hc^-hi^c^ 3f^^T(B)
(C) ^HeM^ixH 3T^^T(D)
3 5 Which among the following is not Present in acid rain?
(A) Sulphuric acid(B) Nitric acid(C) Sulphurous acid(D) Acetic acid
(A) - OH(B) - CHO(C) - NO2(D)
3 A The Common ortho and para directing group is
(A) -OH(B) -CHO(C) -NO2(D) None of these