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

(a)

both assertion and reason are true and the reason is the correct explanation of assertion

(b)

both assertion and reason are true but the reason is not the correct explanation of assertion

(c)

an assertion is true but reason is false

(d)

both assertion and reason are false

The change in the oxidation number of S in H₂S and SO₂,in the following industrial reaction:
2H₂S_(g) + SO_2(g) \(\longrightarrow\) 3S_(s) + H2O_(g)

(a)

-2 to 0, +4 to 0

(b)

-2 to 0, +4 to -1

(c)

-2 to -1, +4 to 0

(d)

-2 to -1, +4 to -2

Which form of based on physical characteristics possess neither definite volume nor definite shape?

(a)

Solids

(b)

Liquids

(c)

Gases

(d)

Both (a) and (b)

If a beaker holds 576g of water, what will be the gram molecules of water in that beaker?

(a)

23 gram molecule

(b)

23%

(c)

32%

(d)

32 gram molecule

Match the list-I with list-II and select the correct answer using the code given below the lists

List-I		List-II
A	Molecular formula	1	Completely consumed
B	Stoichiometric Equation	2	Left unreacted
C	Limiting reagent	3	n x Empirical formula
D	Excess reagent	4	Balanced equation

(a)

A	B	C	D
3	4	2	1

(b)

A	B	C	D
3	4	1	2

(c)

A	B	C	D
4	3	1	2

(d)

A	B	C	D
4	3	1	2

Oxidation number of Fluorine in all compounds is ___________

(a)

+1

(b)

-1

(c)

0

(d)

-2

Which one of the following is not a redox reaction?

(a)

Rusting of iron

(b)

Extraction of metal Na

(c)

Electroplating

(d)

Aluminothermic process

How many molecules are present in 32 g of methane?

(a)

2 x 6.023 x 10²³

(b)

6.023 x 10²³/2

(c)

6.023 x 10^-23

(d)

3.011 x 10²³

For d-electron, the orbital angular momentum is ___________

(a)

\(\frac { \sqrt { 2 } h }{ 2\pi } \)

(b)

\(\\ \frac { \sqrt { 2h } }{ 2\pi } \)

(c)

\(\frac { \sqrt { 2\times 4 } h }{ 2\pi } \)

(d)

\(\frac { \sqrt { 6 } h }{ 2\pi } \)

Match the list I with List II and select the correct answer using the code given below the list 

List I		List II
A	p orbital	1	Clover leaf
B	s orbital	2	Dumb bell with doughnut
C	dz2	3	Dumb bell
D	dxy	4	Spherical

(a)

A	B	C	D
1	3	2	4

(b)

A	B	C	D
4	3	1	2

(c)

A	B	C	D
4	4	2	1

(d)

A	B	C	D
2	1	4	3

In Rutherford's gold foil experiment, a thin gold foil was bombarded with a stream of fast moving ___________

(a)

B particles

(b)

\(\alpha\)-particles

(c)

\(\gamma\) particles

(d)

\(\delta\) particles

The effect which represents the splitting of spectral lines by external electric field is______

(a)

Stark effect

(b)

Zeeman effect

(c)

Raman effect

(d)

None of these

The energy associated with the first orbit of He⁺ ion is ___________

(a)

-8.72 x 10¹⁸ J

(b)

8.78 x 10¹⁸ J

(c)

8.78 x 10^-17

(d)

-8.72 x 10^-17 J

The value of n, I, m and s of 8^th electron in an oxygen atom are respectively____________.

(a)

\(1,0,0,+\frac{1}{2}\)

(b)

\(2,1,+1,-\frac{1}{2}\)

(c)

\(2,1,-1,-\frac{1}{2}\)

(d)

\(2,1,0,+\frac{1}{2}\)

de Broglie equation is______.

(a)

\(\lambda=\frac{h}{mv}\)

(b)

\(\lambda=\frac{hv}{m}\)

(c)

\(\lambda=\frac{mv}{h}\)

(d)

\(\lambda=hmv\)

Match the list I with list II and select the correct answer using the code given below the list.

List I		List II
A	de Chancourtois	1	Addition of synthetic elements.
B	Moseley	2	first periodic law
C	Newland	3	Modem periodic law
D	Glenn seaborg	4	Law of octaves

(a)

A	B	C	D
1	2	3	4

(b)

A	B	C	D
3	2	4	1

(c)

A	B	C	D
2	3	4	1

(d)

A	B	C	D
2	3	1	4

Pd has exceptional electronic configuration of 4d¹⁰ 5s⁰ It belongs to period ______ and group _____

(a)

4, 11

(b)

5, 10

(c)

6, 9

(d)

3, 16

Excluding hydrogen and helium, the smallest element in the periodic table is _____

(a)

Lithium

(b)

Oxygen

(c)

Fluorine

(d)

Chlorine

Pick the metalloid among the following elements ____________

(a)

P

(b)

S

(c)

Si

(d)

Al

The ionic radii (in A) of N^-3, 0^-2 and P- are respectively _________

(a)

1.71, 1.40 and 1.36

(b)

1.71, 1.36 and 1.40

(c)

1.36, 1.40 and 1.71

(d)

1.36, 1.71 and 1.40

According to modern periodic law, the physical and chemical properties of the elements are periodic functions of their_______

(a)

atomic volume

(b)

atomic numbers

(c)

atotnic weights

(d)

valency

Which one of the following arrangements represent the correct order of least negative to most negative electron gain enthalpy _______________.

(a)

Al < O < C < Ca < F

(b)

Al < Ca < O < C < F

(c)

C < F < O < Al < Ca

(d)

Ca < Al < C < O < F

The hardness of water can be determined by volumetrically using the reagent _____________

(a)

sodium thio sulphate

(b)

potassium permanganate

(c)

hydrogen peroxide

(d)

EDTA

In case of alkali metal halides, the ionic character increases in the order ____________

(a)

MF < MCI < MBr < MI

(b)

MI < MBr < MCI < MF

(c)

MI < MBr

(d)

none of these

What is the density of N₂ gas at 227^o C and 5.00 atm pressure? (R = 0.082 L atm K^-1 mol^-1 )

(a)

1.40 g/L

(b)

2.81 g/L

(c)

3.41 g/L

(d)

0.29 g/L