Chemistry Test 60

Result

Chemistry Test 60

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

What is the correct IUPAC name of the following compound.

H₂C=CH–CH₂–C≡CH

A
Pent-1-en-4-yne

B
Pent-4-ene-1-yne

C
Pent-1-yne-4-ene

D
1-Ethenyl-prop-1-yne
Question 2
4 / -1

Which of the following statement is wrong for H-like atom -

A
Magnitude of energy of an orbit in H-like species is directly proportional to 1/n²

B
Frequency of revolution of an electron in an orbit is proportional to n³

C
Radius of a Bohr orbit is proportional to n²

D
Time period of revolution of an electron is proportional to n³
Question 3
4 / -1

Which of the following IUPAC name is/are incorrect ?

A
1-Amino-1-oxo butane

B
2-Ethyl-6-methyl heptane

C
3,5-Dimethyl hexane

D
All are correct
Question 4
4 / -1

Crude calcium carbide is made in an electric furnace by the reaction

CaO + 3C → CaC₂ + CO ↑

The final crude product contains 80% CaC₂ and 20% unreacted CaO, by mass.

How much CaO is to be added to the furnace charge for each 1280 kg of pure CaC₂ produced?

A
1120 kg

B
1440 kg

C
1152 kg

D
1344 kg