Question

15. Read the following statements carefully. (i) Lu(OH), is more basic than La(OH), (ii) The most common mineral among lanthanide is monazite sand (iii) Actinoids involve the filling of 5f- orbitals (iv) Lanthanoids form more oxo-ion than actinoids​

Answer 1

My Dear Aniket,

• I hope this letter will find you in much better health and fine spirits.

• Last time when I visited you, you seemed a bit depressed. Dear Munish, you should thank God for having granted you a new lease of life. Sudhir has told me that now you are out of danger. You will have to remain in the hospital for a few days more.Life is a mixture of joys and sorrows. You have had your share of sorrow. Now it must be the turn of joy. We, all your friend, have decided to celebrate on a grand scale the day you come back from the hospital. All is well at your house. Our class teacher has told me that you need not worry about studies for the present. You are a brilliant student and will be promoted to the next class without test. So, give up all fears and worries.

Yours sincerely,

__________(your name here)

Answer 2

Answer:

Read the following statements carefully. (i) Lu(OH), is more basic than La(OH), (ii) The most common mineral among lanthanide is monazite sand (iii) Actinoids involve the filling of 5f- orbitals (iv) Lanthanoids form more oxo-ion than actinoids