Explore topic-wise InterviewSolutions in Current Affairs.

Calculate the electronegativity of chlorine from the given data: bond energy of $Cl-F$ bond $\left(61kcalmo{l}^{-1}\right)$, $F-F$$\left(38kcalmo{l}^{-1}\right)$ and $Cl-Cl$ bond $\left(58kcalmo{l}^{-1}\right)$ and electronegativity of fluorine is $4.0$.

Highest size will be of

What is the correct structure of 1-Ethyl-3-methylcyclopentane?

Which one is a disaccharide ?

The reaction between hydrogen-oxygen mixture is used to produce very high temperatures $(\approx {2500}^{o}C)$ needed for certain types of welding operations.

$H_2\left(g\right)+\frac{1}{2}{O}_2\left(g\right)\to H_{2}O\left(g\right);△H=-230.9kJ$

Quantity of heat, $\left(inkJ\right)$ evolved when a $200g$ mixture containing equal parts of $H_2$ and $O_2$ by mass is burned, is

Which of the following will have the highest reactivity towards $S_{n}Ar$ i.e. Nucleophilic Aromatic Substitution reaciton?

For a reversible adiabatic process:

The molar conductivity of 0.025 mol L−1 methanoic acid is

46.1 S cm2 mol⁻¹.

Calculate its degree of dissociation and dissociation constant.
Given λ ^°(H⁺)

= 349.6 S cm² mol⁻¹ and λ
^°(HCOO−) = 54.6 S cm² mol

Arrange the following compounds in the increasing orders of their melting point.
$\text{I}.BaC{l}_2$ $\text{II}.SrC{l}_2$ $\text{III}.CaC{l}_2$ $\text{IV}.MgC{l}_2$ $\text{V}.BeC{l}_2$

The ionisation energy of hydrogen atom is 13.6 ev. What will be the ionisation energy of ${Li}^{+2}$ ions?

Washing soda is

Calculate the entropy change ($in{\text{J K}}^{-1}$) when $132\text{g}$ of carbon dioxide expands reversibly and isothermally from an initial volume of $1\text{L}$ to $100\text{L}$ at $600K$ assuming ideal behaviour.

Arrange the following labelled hydrogens in decreasing order of acidity:

Ordinary water contains one part of heavy water per 6000 parts by weight.The number of heavy watermolecules present in a drop of water of volume 0.01 ml is (Density of water is 1 g/ml)

Which of the following pairs is not the correct order of lattice energy?

Permanent hardness is due to presence of soluble salts of Mg and Ca in the form of chlorides and sulphates in $H_{2}O$. It can be removed by

The $d$ electron configuration of $C{r}^{2+},M{n}^{2+},F{e}^{2+}$ and $N{i}^{2+}$ are $3d^4,3d^5,3d^6$ and $3d^8$ respectively. Which one of the following aqua complexes will exhibit the maximum paramagnetic behaviour?

Give
the reason for bleaching action of Cl₂.

Write
IUPAC names of the following compounds:

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(vii)

(viii)

(ix)

(x)

(xi)

(xii)