Chemistry Test 188

Result

Chemistry Test 188

Score
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Weekly Quiz Competition

Question 1
4 / -1

A
35

B
70

C
30

D
60

Solution
Question 2
4 / -1

Which of the following radial distribution graphs correspond to l = 2 for the H atom?

A

B

C

D

Solution
Question 3
4 / -1

Which of the following oxides is amphoteric in character?

A

B

C
CO₂

D
CaO

Solution
Question 4
4 / -1

The bond dissociation energy of The correct reason for higher B – F bond dissociation energy as compared to that of C – F is

A
stronger s bond between B and F in BF₃as compared to that between C and F in CF₄.

B
significant interaction between B and F in BF₃whereas there is no possibility of such interaction between C and F in CF₄.

C
lower degree of interaction between B and F in BF₃than that between C and F in CF₄.

D
smaller size of B–atom as compared to that of C–atom.

Solution
Question 5
4 / -1

If Z is a compressibility factor, van der Waals equation at low pressure can be written as:

A

B

C

D

Solution
Question 6
4 / -1

A

B

C

D

Solution
Question 7
4 / -1

How many litres of water must be added to 1 L an aqueous solution of HCl with a pH of 1 to create an aqueous solution with pH of 2?

A
0.1 L

B
0.9 L

C
2.0 L

D
9.0 L

Solution
Question 8
4 / -1

Point out the correct statement of the following about

A
Average oxidation number of S atom is +2

B
Oxidation number of two S atoms is zero each and that of other two is +5 each

C
Oxidation number of two S atoms is +1 each and that of other two is +4 each

D
None of these

Solution
Question 9
4 / -1

Hydrogen peroxide acts both as an oxidising and as a reducing agent depending upon the nature of the reacting species. In which of the following cases H₂O₂ acts as a reducing agent in acid medium?

A

B

C

D
KI

Solution
Question 10
4 / -1

Which one of the following alkaline earth metal sulphates has its hydration enthalpy greater than its lattice enthalpy?

A

B

C

D

Solution