Which one of the following looks odd__________________?

A. H2so4
B. Kmno4
C. H2s
D. K2cro4

In 1 – pentene -4- yne the carbon exhibit hybridization_________________?

A. Sp3 – sp2
B. Sp2 – sp
C. Sp2 – sp
D. Sp3 – sp2 – sp

When benzene is heated in air with V2O5 at 450°C yields_________________?

A. Phenol
B. Maleic anhydride
C. Glyoxal
D. Benzoic acid

Which one of the following will be sulphonated readily ?

A. Chlorobenzene
B. Toluene
C. Nitrobenzene
D. Benzene

When CO2 is made to react with ethy1 magnesium iodide in dry ether followed by acid hydrolysis yields______________?

A. Carboxylic acid
B. Ethanoic acid
C. Propanoic acid
D. Butanoic acid

Ethy1 chloride on reduction in the presence of Zn/HCI produces___________________?

A. N. butane
B. Ethanol
C. Ethane
D. Diethy1 ether

For industrial preparation of CH3CHO catalytic promoter is_________________?

A. Pdcl2
B. Cu2cl2
C. Cucl2
D. Pbcl2

Which of the following is not a fatty acid ?

A. Propanoic acid
B. Acetic acid
C. Phthalic acid
D. Butanoic acid

Which one of the following fertilizers provides the nitrogen and phosphorus to the plant ?

A. Urea
B. Calcium superphosphate
C. Diammonium phosphate
D. Potassium nitrate

Chlorination of water may be harmful if the water contains_________________?

A. Ammonia
B. Dissolved oxygen
C. Carbon dioxide
D. All