Everyday Science MCQs — Test 92

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Question 1

Which electronic configuration corresponds to an element of group IIIA ?

Question 2

Benzene is heated in air with V2O5 at 450°C it undergoes________________?

Question 3

The preparation of benzene from acetylene can also be said as_________________?

Question 4

Ozonolysis of benzene produces___________________?

Question 5

Boron is non-netal whereas A1 is metal. It is due to_______________________?

Question 6

By which method the molecular mass of benzene was determined as 78.108 ?

Question 7

Chlorination of toluene in the presence of sublight produces_________________?

Question 8

Mixture of catalysts Cr2O3 + A?2O3 + SiO2 at 500?C are used when benzene is prepared from_______________?

Question 9

Which is fused cyclic aromatic compound _____________________?

Question 10

Acetophenone is a_____________________?