Chemistry – Class 11 Mock Test 9

10%

Question 1 of 10

1. The group 14 elements form _____________ hydrides.

covalent

ionic

metallic

both covalent and ionic

Question 1 of 10

Question 2 of 10

2. Gas chromatography can be performed in X, whereas liquid chromatography can be performed in Y. Identify X and Y.

X = only columns, Y = columns or plane surfaces

X = only plane surfaces, Y = only columns

X = columns or plane surfaces, Y = only plane surfaces

X = only columns, Y = only plane surfaces

Question 2 of 10

Question 3 of 10

3. What is the full form of LPG?

liquid petroleum gas

liquefied pentane gas

liquefied petroleum gas

liquefied phenolic gas

Question 3 of 10

Question 4 of 10

4. The complete combustion of diborane is ____________

endothermic

there is no change in energy

depends on the reaction

exothermic

Question 4 of 10

Question 5 of 10

5. Enantiomers are same as diastereomers.

true

false

Question 5 of 10

Question 6 of 10

6. Why hydrides of Germanium are known as _____________

plumbane

stannum

germanes

silanes

Question 6 of 10

Question 7 of 10

7. Is inorganic benzene reactive than Benzene?

Maybe

Cannot say

Yes

Question 7 of 10

Question 8 of 10

8. The ionization enthalpy and density increase in the group from top to bottom.

true

false

Question 8 of 10

Question 9 of 10

9. If a compound has 3 chiral carbons What is the number of optically active isomers?

Question 9 of 10

Question 10 of 10

10. What is the hybridization of singlet carbene?

sp³

sp²

sp³d

Question 10 of 10