Hydrated magnesium chloride becomes anhydrous salt when it is heated

1.  with P4O10

2.  With anhydrous CaCl2

3.  In dry HCl gas

4.  With Conc.H2SO4

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4
Correct Answer :

In dry HCl gas


Explanation :
No Explanation available for this question

A mixture of ethane, ethene and ethyne is passed through a bottle containing ammonical silver nitrate. The gas coming out is

1.  Eathane

2.  Ethyne

3.  A original mixture

4.  A mixture of ethane and ethene

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4
Correct Answer :

A mixture of ethane and ethene


Explanation :
No Explanation available for this question

Which of the following cannot be identified by carbyl amine test (i) C2H5 – NH2 (ii) C6H

1.  (i),(ii)

2.  (i),(ii) and (iv)

3.  (iii) and (iv)

4.  (ii) and (iv)

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4
Correct Answer :

(iii) and (iv)


Explanation :
No Explanation available for this question

1.  

2.  

3.  

4.  both 1 and 2

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4
Correct Answer :


Explanation :
No Explanation available for this question

The type of hybridization of carbon in A is

1.  sp

2.  sp2

3.  sp3

4.  sp3d

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4
Correct Answer :

sp2


Explanation :
No Explanation available for this question

1.  metanitro aniline

2.  ortho nitro aniline

3.  para nitro aniline

4.  para amino benzene sulphonic acid

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4
Correct Answer :

para nitro aniline


Explanation :
No Explanation available for this question

1.  Friedel- Craft`s alkylation

2.  Reimer – Tiemann reaction

3.  Rosenmunds reaction

4.  Carbly amine reaction

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4
Correct Answer :

Reimer – Tiemann reaction


Explanation :
No Explanation available for this question

If X is lower homologue of butanone, then numbers of hybrid orbitals at carbon atoms in z are

1.  16

2.  8

3.  4

4.  3

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4
Correct Answer :

16


Explanation :
No Explanation available for this question

An organic compound X reacts with sodium metal and forms Y. On heating with concentrated sulphuricacid gives diethylether, X and Y are

1.  C3H7OH, CH3ONa

2.  CH3OH, CH3ONa

3.  C4H4OH, C4H9ONa

4.  C2H5OH, C2H5Na

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4
Correct Answer :

C2H5OH, C2H5Na


Explanation :
No Explanation available for this question

The end product C in the following sequence of chemical operations is

1.  acetaldehyde

2.  formaldehyde oxime

3.  methyl nitrate

4.  acetoxime

View Answer  
4
Correct Answer :

acetoxime


Explanation :
No Explanation available for this question
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