p-Block Element...

Direction (Q. Nos. 1-10) This section contains 10 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE option is correct.

Q. 

Which of the following is/are correct statement(s) regarding noble gases?

i. He₂ molecule does not exist

ii.  value for noble gases is 1.4
iii. Heaviest noble gas present in air is xenon.
iv. 6th period starts with caesium and ends with radon.

Which statement is false?

The ionisation potential of hydrogen atom is 13.6 eV. Then ionisation potential of He⁺ ion is

Which of the following is/are correct among the following?

i. XeF₂ = sp³d, linear
ii. XeF₄ = sp³, square planar
iii. XeO₄ = sp³, tetrahedral
iv. XeF₆ = sp³d², octahedral

The oxidation number of oxygen in O₂PtF₆ is

The structure of  ion is

The number of (pπ-dπ) π-bonds present in XeO₃ and XeO₄ respectively are 

XeF₆ on reaction with CsF produce

Which of the following reaction occurs?

The wrong statement among the following is

Direction (Q. Nos. 11 and 12) This section is based on Statement I and Statement II. Select the correct answer from the codes given below.

Q. 

Statement I : Radon is produced upon α-decay of radium atom.

Statement II : α-particles which are equivalent to the atom, reduces the atomic number by 2 and atomic mass by 4 upon decay of mother nucleus.

Statement I : The structure of XeF₄ is square pyramidal.

Statement ll : The hybridisation of XeF₄ is sp³d².

Direction (Q. No. 13) Choices for the correct combination of elements from Column I and Column II are given as options (a), (b), (c) and (d) out of which one is correct.

Q. 

Match the Column I with Column II and mark the correct option from the codes given below.