Assertion: Oxygen molecule is paramagnetic.
Reason: It has two unpaired electron in its bonding molecular orbital.
a) both assertion and reason are true and reason is the correct explanation of assertion
b) both assertion and reason are true but reason is not the correct explanation of assertion
c) assertion is true but reason is false
d) Both assertion and reason are false

Assertion: Two mole of glucose contains 12.044 x 10²³ molecules of glucose
Reason: Total number of entities present in one mole of any substance is equal to 6.02 x 10²²
(a) both assertion and reason are true and the reason is the correct explanation of assertion
(b) both assertion and reason are true but reason is not the correct explanation of assertion
(c) assertion is true but reason is false
(d) both assertion and reason are false

Identify the wrong statement in the following __________.

Of the following compounds, which has the highest boiling point?

\({ C }_{ 2 }{ H }_{ 5 }Br+2Na\overset { dry\quad ether }{ \longrightarrow } { C }_{ 4 }{ H }_{ 10 }+2NaBr\) The above reaction is an example of which of the following

What is the hybridisation state of benzyl carbonium ion ?

In the hydrocarbo \(\overset { 7 }{ { CH }_{ 3 } } -\overset { 6 }{ { CH }_{ 2 } } -\overset { 5 }{ CH } =\overset { 4 }{ CH } -\overset { 3 }{ { CH }_{ 2 } } -\overset { 2 }{ C } =\overset { 1 }{ CH } \) the state of hybridisation of carbon 1,2,3,4 and 7 are in the following sequence.

Stomach acid, a dilute solution of HCl can be neutralised by reaction with Aluminium hydroxide
Al (OH)₃ + 3HCl (aq) → AlCl₃ + 3 H₂O
How many millilitres of 0.1 M Al(OH)₃ solution are needed to neutralise 21 mL of 0.1 M HCl ?

K₁ and K₂ are the equilibrium constants for the reactions respectively.
\({ N }_{ 2 }(g)+{ O }_{ 2 }(g)\overset { { K }_{ 1 } }{ \rightleftharpoons } 2NO(g)\)
\(2NO(g)+{ O }_{ 2 }(g)\overset { { K }_{ 2 } }{ \rightleftharpoons } { 2NO }_{ 2 }(g)\)
What is the equilibrium constant for the reaction NO₂(g) ⇌ ½N₂(g) + O₂(g)

An ideal gas expands from the volume of 1 x 10^-3 m³ to 1 x 10^-2 m³ at 300 K against a constant pressure at 1 x 10⁵ Nm^-2. The work done is ______________

RbO₂ is _____________

Gases deviate from ideal behavior at high pressure. Which of the following statement(s) is correct for non-ideality?

According to the Bohr Theory, which of the following transitions in the hydrogen atom will give rise to the least energetic photon?

Ionic hydrides are formed by _____________

Which of the following elements will have the highest electro negativity ____________