Only One Option Correct Type

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 is correct.

Q. 

Atomic number of second transition series lies from

Which has lower standard reduction potential (SRP) value?

An element has configuration 4d⁵5s². The element belongs to

The electronic configuration of palladium is

Which has lowest and highest first ionisation enthalpy in 3d series?

The electronic configuration of the element which is just above the element with atomic number 42 in the same group

Which one of the following exists in the oxidation state other than +3?

Electronic configuration of a transition element X in +3 oxidation state is [Ar] 3d⁵ and Y in +2 state is [Ar] 3d⁸. What are the atom ic numbers of the elements?

The atomic radii of Cu and Ag are 1.17 Å and 1.34 Å. The atomic radius of gold is expected to be

A red solid is insoluble in water. However, it becomes soluble if some KI is added to water. Heating the red solid in a test tube results in liberation of some violet coloured fumes and droplets of a metal appear on the cooler parts of the test tube. The red solid is  

Matching List Type

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 codes given below.

Which one of the following ions exhibits colour in aqueous solution

During the process of electrolytic refining of copper, some metals present as impurity settle as ‘anode mud’ These are

Statement Type

Direction : This section is based on Statement I and Statement II. Select the correct answer from the codes given below.

Q. 

Statement I : The highest oxidation state of osmium is +8.

Statement II : Osmium is a 5-d block element.