Chapter X - Group 2

Question 1

Which group 2 burns easily with oxygen?

Answer 1

Magnesium

Question 2

What is the flame colour of beryllium that is seen when it’s burned with oxygen?

Answer 2

White

Question 3

What is the flame colour of Calcium when it burns with oxygen?

Answer 3

Bright red

Question 4

What is the flame color of Strontium when it burns with oxygen?

Answer 4

Bright red

Question 5

What is the flame color of barium when it reacts with oxygen?

Answer 5

Green

Question 6

Which group 2 element has no reaction with water or steam?

Answer 6

Beryllium

Question 7

Which group 2 elements have insoluble or sparingly soluble sulphates?

Answer 7

Calcium (sparingly soluble), strontium and barium (insoluble)

Question 8

What two elements can form oxides with the formula XO2?

Answer 8

strontium and barium

Question 9

Which group 2 oxide is amphoteric?

Answer 9

Barium

Question 10

What is another name for limewater?

Answer 10

Calcium hydroxide

Question 11

Which group 2 chlorides are soluble?

Answer 11

All of them

Question 12

What is the trend of solubility of group 2 hydroxides?

Answer 12

Increases as you go down the group

Question 13

What is the trend of thermal stability of group 2 carbonates?

Answer 13

Increases as you go down group

Question 14

What is the trend of thermal stability of group 2 nitrates?

Answer 14

Increases as you go down group