Chemistry Test

Result

Chemistry Test - 25

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Weekly Quiz Competition

Question 1
1 / -0

A

Option 4

B

Option 3

C

Option 2

D

Option 1
Question 2
1 / -0

A

oxidises oxalic acid to carbon dioxide and water

B

reduces permanganate to Mn^2+

C

gets oxidised by oxalic acid to chlorine

D

furnishes H^+ ions in addition to those from oxalic acid
Question 3
1 / -0

The alkene that exhibits geometrical isomerism is :

A

2-butene

B

propene

C

2-methyl propene

D

2- methyl -2- butene
Question 4
1 / -0

Gold numbers of protective colloids A, B, C and D are 0.50, 0.01, 0.10 and 0.005, respectively. The correct order of their protective powers is

A

C < B < D < A

B

D < A < C < B

C

A < C < B < D

D

B < D < A < C
Question 5
1 / -0

Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained is diazotised and then heated with cuprous bromide. The reaction mixture so formedcontains

A

mixture of o− and p−bromotoluenes

B

mixture of o− and p−bromoanilines

C

mixture of o− and p−dibromobenzenes

D

mixture of o− and m−bromotoluenes
Question 6
1 / -0

Which one of the following is the correct statement?

A

Chlorides of both beryllium and aluminium have bridged chloride structures in solid phase

B

Boric acid is a protonic acid

C

Beryllium exhibits coordination number of six

D

All of these
Question 7
1 / -0

A

Option 4

B

Option 3

C

Option 2

D

Option 1
Question 8
1 / -0

The half life period of a first order chemical reaction is 6.93 minutes. The time required for thecompletion of 99% of the chemical reaction will be (log 2=0.301) :

A

46.06 minutes

B

230.3 minutes

C

23.03 minutes

D

460.6 minutes
Question 9
1 / -0

A

Option 2

B

Option 3

C

Option 4

D

Option 1
Question 10
1 / -0

α-D-(+)-glucose and β-D-(+)-glucose are

A

anomers

B

conformers

C

epimers

D

enantiomers