1.  Rydberg's constant and wave number have same units

2.  Lyman series of hydrogen spectrum occurs in the ultraviolet region

3.  The angular momentum of the electron in the ground state hydrogen atom is equal to h/2π

4.  The radius of first Bohr orbit of hydrogen atom is 2.116x10-8 cm

4
Correct Answer :

The radius of first Bohr orbit of hydrogen atom is 2.116x10<sup>-8</sup> cm


Explanation :
No Explanation available for this question

1.  NH3

2.  N2

3.  N2O

4.  O2

4
Correct Answer :

NH<sub>3</sub>


Explanation :
No Explanation available for this question

1.  CO2

2.  O2

3.  CH4

4.  H2

4
Correct Answer :

H<sub>2</sub>


Explanation :
No Explanation available for this question

1.  A, B, C

2.  B, C, D

3.  A, C, D

4.  A, B, D

4
Correct Answer :

A, C, D


Explanation :
No Explanation available for this question

1.  Bronsted - Lowry theory could not explain the acidic nature of BCl3

2.  The pH of 0.01 M NaOH solution is 2

3.  The ionic product of water at 250C is 10-10 mol2, L-2

4.  The pH of a solution can be calculated using the equation pH = log [H+]

4
Correct Answer :

Bronsted - Lowry theory could not explain the acidic nature of BCl<sub>3</sub>


Explanation :
No Explanation available for this question

1.  Ca

2.  Mg

3.  Fe

4.  K

4
Correct Answer :

Ca


Explanation :
No Explanation available for this question

1.  0.04

2.  0.01

3.  0.02

4.  1

4
Correct Answer :

0.02


Explanation :
No Explanation available for this question

1.  1000

2.  106

3.  100

4.  10000

4
Correct Answer :

10000


Explanation :
No Explanation available for this question

1.  NH3, Mg (OH)2

2.  NH3, Mg (OD)2

3.  ND2, Mg (OH)2

4.  ND3, Mg (OD)2

4
Correct Answer :

ND<sub>3</sub>, Mg (OD)<sub>2</sub>


Explanation :
No Explanation available for this question

1.  SOCl2 / pyridine

2.  CH3COOH / HCl

3.  (CH3CO)2O/conc. H2SO4

4.  CH3Cl / AlCl3

4
Correct Answer :

(CH<sub>3</sub>CO)<sub>2</sub>O/conc. H<sub>2</sub>SO<sub>4</sub>


Explanation :
No Explanation available for this question

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