Explore topic-wise InterviewSolutions in Current Affairs.

Arrange the following compounds in order of increasing dipole moments:
I. Chlorobenzene
II. m-dichlorobenzene
III. o-dichlorobenzene
IV. p-dichlorobenzene

Find the amount of water present, if the total number of protons is $1.8069\times {10}^{25}$.

The correct order of ionic radii of $Ce,La,Pm$ and $Yb$ in its $+3$ oxidation state is:

Nucleic acid contains:

Percentage composition of hydrogen in benzene ($C_6{H}_6$) is .

The number of structural isomers possible from the molecular formula $C_3{H}_{9}N$ is:

Which is the correct increasing order of boiling points of the following compounds?

1-iodobutane , 1-bromobutane, 1-chlorobutane, Butane

(a) Butane < 1-chlorobutane < 1-bromobutane < 1-iodobutane

(b) 1-iodobutane < 1-bromobutane < 1-chlorobutane < Butane

(c) Butane < 1-iodobutane < 1-bromobutane < 1-chlorobutane

(d) Butane < 1-chlorobutane < 1-iodobutane < 1-bromobutane

QUESTION 14.11

What are the essential and non-essential amino acids? Give two examples of each type.

When 2-chloro-2-methylpentane is heated with $C{N}^{-}$, the majority product is:

Iron reacts with oxygen to form $F{e}_2{O}_3$. If the atomic mass of iron is 56, the mass of oxygen that reacts with 2.5 moles of iron is

Calculate the percentage of sulphur present in sulphuric acid (H₂SO₄₎.

Which one of the following ions is the most stable in aqueous solution?
(Atomic number. Ti = 22, V = 23, Cr = 24, Mn = 25)

Rearrange the following ($I$ to $IV$) in the order of increasing masses:
$\left(I\right)0.5\text{moles of}{O}_3$
$\left(II\right)0.5\text{g atom of oxygen}$
$\left(III\right)3.011\times {10}^{23}\text{molecules of}{O}_2$
$\left(IV\right)5.6\text{litre of}C{O}_2\text{at STP}$

The conjugate acid of $N{H}_2^{-}$ is

Identify product in the reaction

A beaker containing a liquid is kept inside a big closed jar. If the air inside the jar is continuously pumped out, the pressure in the liquid near the bottom of the liquid will?

Q80. With reference to fast breeder reactors, consider the following statements:

1. They use fast neutrons for sustaining the chain reaction.

2. Heavy water is used as moderator in these reactors.

3. They breed more fissile material than they consume.

Which of the above statement(s) is/are correct?

What is the solubility of $Al(OH{)}_3,(K_{sp}=1\times {10}^{-33})$ in a buffer solution of pH = 4 at room temperature ?

Which of the following isoelectronic ions have lowest ionization?

Select the correct diagram for the ${\pi }^{\ast }2p_y$ - orbital:

The most probable structure for P in the following reaction is

A binary compound of oxygen with another element is called:

Is chlorophyll a soluble in water ,petroleum ether ?

Adsorption by chlorophyll a is maximum at blue or red /are they equally absorbed

Work done per mol in an isothermal change is

Which element has the greatest tendency to loose electrons

When treated with ammoniacal cuprous chloride, which one among the following forms copper derivative

Consider the redox reaction giben below :
$I{O}_3^{-}\left(aq\right)+Rd\left(s\right)+H_{2}O\to Rd{O}_4^{-}\left(aq\right)+I^{-}\left(aq\right)+H^{+}$
What will be the correct coefficient of the $I{O}_3^{-}$, $H_{2}O$ and $H^{+}$ respectively.

Which of the following is involved in the formation of Heme?

The $O-N-O$ bond angle is maximum in:

In order to prepare one litre normal solution of potassium permanganate , how many grams of potassium permanganate required if the solution is to be used in acid medium for oxidation

state two constants,which have dimensions

Energy of an electron in the ground state of the hydrogen atom is –2.18 × ${10}^{–18}$ J. Calculate the ionization enthalpy of atomic hydrogen in terms of J $mo{l}^{–1}$.

Hybridization of N in methylamine is :

Statement 1: $\sim (p\leftrightarrow \sim q)$ is equivalent to $p\leftrightarrow q$
Statement 2: $\sim (p\leftrightarrow \sim q)$ is tautology.
Then which of the following statements is correct

Which of the followings pair is not present in acid rain (if any one acid in the given pair is not present, then that pair is considered to be not present)-

With respect to the conformers of ethane, which of the following statements is true?

Kerosene is used as a fuel because

What is the position of tetrahedral voids in FCC lattice?

The hydration energy of $M{g}^{2+}$ is greater than that of

In the video of vsper theory the sir tell that when two or more lone pair are there there will be a change in angle.
I have a question that: all the compound have different angle when a lone pair is present????