Inorganic Chemistry> Read the following statement and explanat...

Read the following statement and explanation and answer as per the options given below :Assertion : A very dilute acidic solution of Cd^2+ and Ni^2+ gives yellow precipitate of CdS on passing hydrogen sulphide.Statement :Solubility product of CdS is more than that of NiSa. If both assertion and statement are correct and statement is an explanation of assertion.b. If assertion is correct and statement is wrong, statement is not an explanation of assertion.c. If assertion is wrong and statement is correct, statement is not an explanation of assertion.d. If both assertion and statement are wrong and statement si not explanation of assertion.

aman , 10 Years ago

Grade 6

1 Answers

Jitender Pal

Last Activity: 10 Years ago

(d) Cd^2+ is a 2^nd group radical and Ni^2+ is a 4^th group radical. So solubility product of NiS has to be more than CdS. Further Cd^2+ gives yellow colour of CdS with H base 2S, but Ni^2+ gives black colour of NiS with H base 2S. So both assertion and statement are wrong. (d) is