1.  Nitroethane

2.  Methylisocyanide

3.  Acetamide

4.  Methyl cyanide

4
Correct Answer :

Methylisocyanide


Explanation :
No Explanation available for this question

1.  +4,+2

2.  +2,+4

3.  +4,+4

4.  +2,+2

4
Correct Answer :

+2,+4


Explanation :
No Explanation available for this question

1.  HS-

2.  NH2-

3.  F-

4.  I-

4
Correct Answer :

F-


Explanation :
No Explanation available for this question

1.  Si2O76-

2.  (Si2O52-)n

3.  (SiO32-)n

4.  SiO44-

4
Correct Answer :

(SiO32-)n


Explanation :
No Explanation available for this question

1.  Fehling solution test

2.  Benedict test

3.  Iodoform test

4.  Tollen’s reagent test

4
Correct Answer :

Iodoform test


Explanation :
No Explanation available for this question

1.  Argentite

2.  Galena

3.  Copper pyrite

4.  Sphalerite

4
Correct Answer :

Sphalerite


Explanation :
No Explanation available for this question

1.  There is a decrease in the radii of the atoms or ions as one proceeds from La to Lu.

2.  Lanthanoid contraction is the accumulation of successive shrinkages

3.  As a result of lanthanoid contraction,the properties of 4d series of the transition elements have no similarities with the 5d series of elements

4.  Shielding power of 4f electrons is quite weak.

4
Correct Answer :

As a result of lanthanoid contraction,the properties of 4d series of the transition elements have no similarities with the 5d series of elements


Explanation :
No Explanation available for this question

1.  BaSO4

2.  MgSO4

3.  RaSO4

4.  SrSO4

4
Correct Answer :

MgSO4


Explanation :
No Explanation available for this question

1.  1s22s22p5

2.  1s22s22p3

3.  1s22s22p53s1

4.  1s22s22p6

4
Correct Answer :

1s22s22p53s1


Explanation :
No Explanation available for this question

1.  a beta-hydroxy acid

2.  a beta-hydroxy aldehyde or a beta-hydroxy ketone

3.  an alpha-hydroxy aldehyde or ketone

4.  an alpha,beta unsaturated ester

4
Correct Answer :

a beta-hydroxy aldehyde or a beta-hydroxy ketone


Explanation :
No Explanation available for this question

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