Classification of elements and periodicity in properties practice · Mixed difficulty

Which of the following is a transition element?

The correct order of second ionisation potential of carbon, nitrogen, oxygen and fluorine is:

Be and Al exhibit diagonal relationship. Which of the following statement about them is/are not true?
I. Both react with HCl to liberate ${H_2}$
II.They are made passive by $HN{O_3}$
III.Their carbides given acetylene on treatment with water
IV.Their oxides are amphoteric

The compound of vanadium has magnetic moment of 1.73 BM. The vanadium chloride has the formula:

Assertion(A) ${Cu}^{2+}$ is diamagnetic.

Reason(R) All the orbitals present in ${Cu}^{2+}$ ion are doubly occupied.

A $p$ -block element in which last electron enters into $s$-orbitals of valence shell instead of $p$ -orbital is:

Which of the following is amphoteric oxide

The correct order of electron affinity is

The charges on the colloidal $CdS$ sol and $Ti{O_2}$ sol are, respectively

The correct order of ionic radii is

Element with atomic number 35 belongs to

Consider the following statements:

(i) The discovery of inert gases later on did not disturb Mendeleev's arrangement.

(ii) In the present periodic table, periodicity in the properties of elements is related to the periodicity in their electronic configurations.

Which of these statement(s) is/are correct?

Atomic radii of fluorine and neon in angstrom unit are respectively given by:

An element whose IUPAC name is ununtrium (Uut), belongs to

An element has the configuration $1{s^2},2{s^2},2{p^6},3{s^2},3{p^2}.\,$ To which block in the long form of the periodic table, does this belong?

Aqueous solutions of two compounds $M-{O}-{H}$ and $M^{\prime}-{O}-{H}$ have been prepared in two different beakers. If the electronegativity of $M=3.5, M^{\prime}=1.72$, ${O}=3.0$ and ${H}=2.1$, then the solutions respectively are

In the following reactions, $ZnO$ is respectively acting as a/an
i) $ZnO + N{a_2}O \to N{a_2}Zn{O_2}$ ii) $ZnO + C{O_2} \to ZnC{O_3}$

The amount of energy released when $10^6$ atoms of iodine in vapour state is converted into ${I}^{-}$ ion is $4.8 \times 10^{-13} \mathrm{~J}$. What is the electron affinity of iodine in $\mathrm{kJ} / \mathrm{mole}?$

The electronic configuration of the element with maximum electron affinity is

The values of electronegativity of atom A and B are 1.20 and 4.0 respectively. The percentage of ionic character of A-B bond is

If each orbital can take maximum of three electrons, the number of elements in the third period of the periodic table will be :

In Mendeleev's periodic table, iodine with lower atomic weight than that of tellurium was placed alongwith

In the Periodic Table, going down in the fluorine group

The smallest among the following ions is

The least stable ion among the following is

The formula of the binary compound formed by the element with atomic number 120 and sulphur is:

The ionisation potential of '${X^ + }$' ion is equal to

Zinc is not considered as a transition metal because

Chlorine atom tends to acquire the structure of:

Which of the following relation is correct?