1
JEE Advanced 2019 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-1
Change Language
Choose the reaction(s) from the following options, for which the standard enthalpy of reaction of equal to the standard enthalpy of formation.
A
2C(g) + 3H2(g) $$ \to $$ C2H6(g)
B
2H2(g) + O2(g) $$ \to $$ 2H2O(l)
C
$${3 \over 2}$$O2(g) $$ \to $$ O3(g)
D
$${1 \over 8}$$S8(s) + O2(g) $$ \to $$ SO2(g)
2
JEE Advanced 2019 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-1
Change Language
A tin chloride Q undergoes the following reactions (not balanced)

$$Q + C{l^ - } \to X$$

$$Q + M{e_3}N \to Y$$

$$Q + CuC{l_2} \to Z + CuCl$$

X is a monoanion having pyramidal geometry. Both Y and Z are neutral compounds.

Choose the correct option(s).
A
There is a coordinate bond in Y
B
The central atom in Z has one lone pair of electrons.
C
The oxidation state of the central atom in Z is +2
D
The central atom in X is sp3 hybridised
3
JEE Advanced 2019 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-1
Change Language
In the decay sequence.

JEE Advanced 2019 Paper 1 Offline Chemistry - Chemical Kinetics and Nuclear Chemistry Question 14 English
x1, x2, x3 and x4 are particles/radiation emitted by the respective isotopes. The correct option(s) is(are)
A
Z is an isotope of uranium
B
x2 is $$\beta $$-
C
x1 will deflect towards negatively charged plate
D
x3 is $$\gamma $$-ray
4
JEE Advanced 2019 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-1
Change Language
Which of the following statement(s) is(are) correct regarding the root mean square speed (Urms) and average translational kinetic energy (Eav) of a molecule in a gas at equilibrium?
A
Urms is inversely proportional to the square root of its molecular mass.
B
Urms is doubled when its temperature is increased four times.
C
Eavg is doubled when its temperature is increased four times.
D
Eavg at a given temperature does not depend on its molecular mass.
JEE Advanced Papers
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12