QS i got wrong

Question 1

Test for Ammonium ions

Answer 1

Add NaOH, ammonia gas released, litmus paper turns blue

Question 2

test for halide ions

Answer 2

add silver nitrate

Question 3

silver ion charge

Answer 3

1+

Question 4

Are aromatic compounds alicyclic

Answer 4

No, alicyclic compounds don’t contain benzene ring

Question 5

Bond angle and name of shape with 3 bonding regions 0 lone pairs

Answer 5

trigonal planar 120°

Question 6

Carbonate ion charge

Answer 6

CO3 ^2-

Question 7

Catalyst and reaction conditions for hydrogenation of alkene

Answer 7

phosphoric acid and steam

Question 8

Nitride, Nitrite and Nitrate charges and formula

Question 9

metal and acid

Answer 9

salt and hydrogen

Question 10

dehydration of alkene reaction conditions

Answer 10

alkene to alcohol.
strong acid catalyst (phosphoric or sulphuric acid) and high temps

Question 11

metal oxide and acid

Answer 11

salt and water

Question 12

SO4 ion charge

Answer 12

2-

Question 13

Advantage and Disadvantage of using loss in mass method vs gas syringe

Answer 13

ADV - no loss in gas
DADV - small loss in mass