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iit jee
| 2010
Solutions for all the questions from iit jee
of year 2010
EXAM
board examination
iit jee
jee advanced
jee main
neet
rtb
YEAR
All
2010
SUBJECT
math
30
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class 12
JEE Main
The standard enthalpy of formation of
$NH_{3}$
is
$−46.0kJ mol_{−1}$
. If the enthalpy of formation of
$H_{2}$
from its atoms is
$−436kJ mol_{−1}$
and that of
$N_{2}$
is
$−712kJ mol_{−1}$
, the average bond enthalpy of
$N−H$
bond in
$NH_{3}$
is
class 12
JEE Main
Consider the reaction :
$Cl_{2}(aq)+H_{2}S(aq)→S(s)+2H_{+}(aq)+2Cl_{−}(aq)$
The rate equation for this reaction is rate
$=K[Cl_{2}][H_{2}S]$
Which of these mechanisms is/are consistent with this rate equation ?
$(A)Cl_{2}+H_{2}→H_{+}+Cl_{−}+Cl_{+}+HS_{−}Cl_{+}+HS_{−}→H_{+}+Cl_{−}+S (slow)(fast) $
$(B)H_{2}S⇔H_{+}+HS_{−}Cl_{2}+HS_{−}→2Cl_{−}+H_{+}+S (fast equilibrium)(slow) $
class 12
JEE Main
A solution containing 2.675 g of
$CoCl_{3}$
. 6
$NH_{3}$
(molar mass = 267.5 g
$mol_{−1}$
) is passed through a cation exchanger. The chloride ions obtained in solution were treated with excess of
$AgNO_{3}$
to give 4.78 g of AgCl (molar mass = 143.5 g
$mol_{−1}$
). The formula of the complex is (At. Mass of Ag = 108 u)
class 11
Math
Calculus
Limits And Derivatives
Let
$f:R→R$
be a positive increasing function with
$x→∞lim f(x)f(3x) =1$
. Then
$x→∞lim f(x)f(2x) =$
class 12
Math
Calculus
Indefinite Integrals
Let p(x) be a function defined on R such that
$p_{′}(x)=p_{′}(1x)$
, for all
$x∈[0,1],p(0)=1$
and \displaystyle{p}
class 11
Math
Co-ordinate Geometry
Straight Lines
The line L given by
$5x +by =1$
passes through the point (13, 32). The line K is parallel to L and has the equation
$cx +3y =1$
Then the distance between L and K is
class 12
JEE Main
29.5 mg of an organic compound containing nitrogen was digested according to Kjeldahl's method and the evolved ammonia was absorbed in 20 mL of 0.1 M HCl solution. The excess of the acid required 15 mL of 0.1 M HCl solution. The excess of the acid required 15 mL of 0.1 M NaOH solution for complete neutralization. The percentage of nitrogen in the compound is
class 12
JEE Main
The correct sequence which shows decreasing order of the ionic radii of the elements is
class 12
JEE Main
Out of the following, the alkene that exhibits optical isomerism is
class 12
JEE Main
The main product of the following reaction is
$C_{6}H_{5}CH_{2}CH(OH)CH(CH_{3})_{2}→conc.H_{2}SO_{4}?$
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iit jee
| 2010
Solutions for all the questions from iit jee
of year 2010
30
JEE MAINS
Crash Course
●LIVE
Classes starting
15
^{th}
June 2021
30 Students | 90 Days | 24x7 Video Doubt Support
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₹8000
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30
JEE MAINS
Crash Course
●LIVE
Classes starting
15
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June 2021
30 Students | 90 Days | 24x7 Video Doubt Support
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₹8000
KNOW MORE
Filter Results
EXAM
board examination
iit jee
jee advanced
jee main
neet
rtb
YEAR
All
2010
SUBJECT
math
class 12
JEE Main
The standard enthalpy of formation of
$NH_{3}$
is
$−46.0kJ mol_{−1}$
. If the enthalpy of formation of
$H_{2}$
from its atoms is
$−436kJ mol_{−1}$
and that of
$N_{2}$
is
$−712kJ mol_{−1}$
, the average bond enthalpy of
$N−H$
bond in
$NH_{3}$
is
class 12
JEE Main
Consider the reaction :
$Cl_{2}(aq)+H_{2}S(aq)→S(s)+2H_{+}(aq)+2Cl_{−}(aq)$
The rate equation for this reaction is rate
$=K[Cl_{2}][H_{2}S]$
Which of these mechanisms is/are consistent with this rate equation ?
$(A)Cl_{2}+H_{2}→H_{+}+Cl_{−}+Cl_{+}+HS_{−}Cl_{+}+HS_{−}→H_{+}+Cl_{−}+S (slow)(fast) $
$(B)H_{2}S⇔H_{+}+HS_{−}Cl_{2}+HS_{−}→2Cl_{−}+H_{+}+S (fast equilibrium)(slow) $
class 12
JEE Main
A solution containing 2.675 g of
$CoCl_{3}$
. 6
$NH_{3}$
(molar mass = 267.5 g
$mol_{−1}$
) is passed through a cation exchanger. The chloride ions obtained in solution were treated with excess of
$AgNO_{3}$
to give 4.78 g of AgCl (molar mass = 143.5 g
$mol_{−1}$
). The formula of the complex is (At. Mass of Ag = 108 u)
class 11
Math
Calculus
Limits And Derivatives
Let
$f:R→R$
be a positive increasing function with
$x→∞lim f(x)f(3x) =1$
. Then
$x→∞lim f(x)f(2x) =$
class 12
Math
Calculus
Indefinite Integrals
Let p(x) be a function defined on R such that
$p_{′}(x)=p_{′}(1x)$
, for all
$x∈[0,1],p(0)=1$
and \displaystyle{p}
class 11
Math
Co-ordinate Geometry
Straight Lines
The line L given by
$5x +by =1$
passes through the point (13, 32). The line K is parallel to L and has the equation
$cx +3y =1$
Then the distance between L and K is
class 12
JEE Main
29.5 mg of an organic compound containing nitrogen was digested according to Kjeldahl's method and the evolved ammonia was absorbed in 20 mL of 0.1 M HCl solution. The excess of the acid required 15 mL of 0.1 M HCl solution. The excess of the acid required 15 mL of 0.1 M NaOH solution for complete neutralization. The percentage of nitrogen in the compound is
class 12
JEE Main
The correct sequence which shows decreasing order of the ionic radii of the elements is
class 12
JEE Main
Out of the following, the alkene that exhibits optical isomerism is
class 12
JEE Main
The main product of the following reaction is
$C_{6}H_{5}CH_{2}CH(OH)CH(CH_{3})_{2}→conc.H_{2}SO_{4}?$
1
2
3
4
5
6
7
8
9
10
Previous
page
1 / 2
You're on page
1
page
2
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