Chemistry Test 183

Result

Chemistry Test 183

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Weekly Quiz Competition

Question 1
4 / -1

A
positive deviation from ideal behaviour

B
negative deviation from ideal behaviour

C
ideal behaviour

D
positive deviation for lower conc. and negative for higher conc.

Solution
Question 2
4 / -1

The equivalent conductance of M/32 solution of a weak monobasic acid is 8.0 mho cm2 and at infinite dilution is 400 mho cm2. The dissociation constant of this acid is:

A

B

C

D

Solution
Question 3
4 / -1

A
1.08 M

B
3.60 M

C
0.36 M

D
0.72 M

Solution
Question 4
4 / -1

Cod Liver oil is

A
fat dispersed in water

B
water dispersed in fat

C
water dispersed in oil

D
fat dispersed in fat.
Question 5
4 / -1

Bronze is a mixture of

A
Pb + Sn

B
Cu + Sn

C
Cu + Zn

D
Pb + Zn
Question 6
4 / -1

The decreasing values of bond angles from down group-15 of the periodic table is due to

A
decreasing lp-bp repulsion

B
decreasing electronegativity

C
increasing bp-bp repulsion

D
increasing p-orbital character in sp3

Solution
Question 7
4 / -1

In which of the following cases, the stability of two oxidation states is correctly represented

A

B

C

D

Solution
Question 8
4 / -1

is the formulae of the Cyanocobalamine, it contain CN– and CN– is very poisonous, than why this compound does not prove to be fatal for us? (it inhibit the electron transport chain?

A
CN– forms covalent bond

B
CN– is coordinating to the cobalt as the ligand

C
CN– hydrolysis immediately

D
All of these

Solution

CH-is coordinated to cobalt as the ligand and coordinated compounds have different properties than the individual species.
Question 9
4 / -1

Which reagent cannot be used to prepare an alkyl halide from an alcohol?

A
HCl + ZnCl₂

B
NaCl

C

D
SOCl₂
Question 10
4 / -1

Diethyl ether reacts, inspite of its usual inert nature, with

A
Dilute suphuric acid

B
Dilute sodium hydroxide

C
Boron trifluoride

D
Metallic sodium